[
  {
    "id": "0G-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-22T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-0G-USDT:USDT",
    "symbol": "0G",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "1INCH-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-29T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-1INCH-USDT:USDT",
    "symbol": "1INCH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "2Z-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-03T00:00:00.000Z",
    "end_date": "2026-05-16T00:00:00.000Z",
    "internal_id": "perpetual-2Z-USDT:USDT",
    "symbol": "2Z",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "4-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-09T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-4-USDT:USDT",
    "symbol": "4",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "A-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-28T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-A-USDT:USDT",
    "symbol": "A",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AAL-USDT",
    "type": "perpetual",
    "base_coin": "AAL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-AAL-USDT:USDT",
    "symbol": "AAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AAOI-USDT",
    "type": "perpetual",
    "base_coin": "AAOI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-27T00:00:00.000Z",
    "internal_id": "perpetual-AAOI-USDT:USDT",
    "symbol": "AAOI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AAPL-USDT",
    "type": "perpetual",
    "base_coin": "AAPL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-20T00:00:00.000Z",
    "internal_id": "perpetual-AAPL-USDT:USDT",
    "symbol": "AAPL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AAVE-USDT",
    "type": "perpetual",
    "base_coin": "AAVE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-21T00:00:00.000Z",
    "internal_id": "perpetual-AAVE-USDT:USDT",
    "symbol": "AAVE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ABBV-USDT",
    "type": "perpetual",
    "base_coin": "ABBV",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-26T00:00:00.000Z",
    "internal_id": "perpetual-ABBV-USDT:USDT",
    "symbol": "ABBV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ACE-USDT",
    "type": "perpetual",
    "base_coin": "ACE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-12-18T00:00:00.000Z",
    "internal_id": "perpetual-ACE-USDT:USDT",
    "symbol": "ACE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ACH-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-10T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-ACH-USDT:USDT",
    "symbol": "ACH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ACNSTOCK-USDT",
    "type": "perpetual",
    "base_coin": "ACNSTOCK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-29T00:00:00.000Z",
    "internal_id": "perpetual-ACNSTOCK-USDT:USDT",
    "symbol": "ACNSTOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ACT-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-13T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ACT-USDT:USDT",
    "symbol": "ACT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ACU-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-27T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-ACU-USDT:USDT",
    "symbol": "ACU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ADA-USDT",
    "type": "perpetual",
    "base_coin": "ADA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-21T00:00:00.000Z",
    "internal_id": "perpetual-ADA-USDT:USDT",
    "symbol": "ADA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ADBE-USDT",
    "type": "perpetual",
    "base_coin": "ADBE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-ADBE-USDT:USDT",
    "symbol": "ADBE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ADI-USDT",
    "type": "perpetual",
    "base_coin": "ADI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-25T00:00:00.000Z",
    "internal_id": "perpetual-ADI-USDT:USDT",
    "symbol": "ADI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AEHR-USDT",
    "type": "perpetual",
    "base_coin": "AEHR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-22T00:00:00.000Z",
    "internal_id": "perpetual-AEHR-USDT:USDT",
    "symbol": "AEHR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AERGO-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-18T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-AERGO-USDT:USDT",
    "symbol": "AERGO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AERO-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-20T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-AERO-USDT:USDT",
    "symbol": "AERO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AEVO-USDT",
    "type": "perpetual",
    "first_capture": "2024-03-13T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-AEVO-USDT:USDT",
    "symbol": "AEVO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AGIX-USDT",
    "type": "perpetual",
    "first_capture": "2023-03-13T00:00:00.000Z",
    "end_date": "2024-07-05T00:00:00.000Z",
    "internal_id": "perpetual-AGIX-USDT:USDT",
    "symbol": "AGIX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AGLD-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-14T00:00:00.000Z",
    "end_date": "2022-11-04T00:00:00.000Z",
    "internal_id": "perpetual-AGLD-USDT:USDT",
    "symbol": "AGLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AGPU-USDT",
    "type": "perpetual",
    "base_coin": "AGPU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-20T00:00:00.000Z",
    "internal_id": "perpetual-AGPU-USDT:USDT",
    "symbol": "AGPU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AI-USDT",
    "type": "perpetual",
    "first_capture": "2024-01-17T00:00:00.000Z",
    "end_date": "2025-12-12T00:00:00.000Z",
    "internal_id": "perpetual-AI-USDT:USDT",
    "symbol": "AI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AI16Z-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-03T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-AI16Z-USDT:USDT",
    "symbol": "AI16Z",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIA-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-19T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-AIA-USDT:USDT",
    "symbol": "AIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIDOGE-USDT",
    "type": "perpetual",
    "first_capture": "2023-04-27T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-AIDOGE-USDT:USDT",
    "symbol": "AIDOGE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIGENSYN-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-30T00:00:00.000Z",
    "end_date": "2026-09-09T00:00:00.000Z",
    "internal_id": "perpetual-AIGENSYN-USDT:USDT",
    "symbol": "AIGENSYN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIN-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-11T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-AIN-USDT:USDT",
    "symbol": "AIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIO-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-14T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-AIO-USDT:USDT",
    "symbol": "AIO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AIXBT-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-15T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-AIXBT-USDT:USDT",
    "symbol": "AIXBT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AKAM-USDT",
    "type": "perpetual",
    "base_coin": "AKAM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-AKAM-USDT:USDT",
    "symbol": "AKAM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AKE-USDT",
    "type": "perpetual",
    "base_coin": "AKE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-07-16T00:00:00.000Z",
    "internal_id": "perpetual-AKE-USDT:USDT",
    "symbol": "AKE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AKRO-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-AKRO-USDT:USDT",
    "symbol": "AKRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALAB-USDT",
    "type": "perpetual",
    "base_coin": "ALAB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-23T00:00:00.000Z",
    "internal_id": "perpetual-ALAB-USDT:USDT",
    "symbol": "ALAB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALCH-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-09T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-ALCH-USDT:USDT",
    "symbol": "ALCH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALGO-USDT",
    "type": "perpetual",
    "base_coin": "ALGO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "internal_id": "perpetual-ALGO-USDT:USDT",
    "symbol": "ALGO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALICE-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-07T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-ALICE-USDT:USDT",
    "symbol": "ALICE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALLO-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-12T00:00:00.000Z",
    "end_date": "2026-02-13T00:00:00.000Z",
    "internal_id": "perpetual-ALLO-USDT:USDT",
    "symbol": "ALLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALPINE-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-19T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-ALPINE-USDT:USDT",
    "symbol": "ALPINE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ALT-USDT",
    "type": "perpetual",
    "first_capture": "2024-01-25T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-ALT-USDT:USDT",
    "symbol": "ALT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMAT-USDT",
    "type": "perpetual",
    "base_coin": "AMAT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-01T00:00:00.000Z",
    "internal_id": "perpetual-AMAT-USDT:USDT",
    "symbol": "AMAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMC-USDT",
    "type": "perpetual",
    "base_coin": "AMC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-20T00:00:00.000Z",
    "internal_id": "perpetual-AMC-USDT:USDT",
    "symbol": "AMC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMD-USDT",
    "type": "perpetual",
    "base_coin": "AMD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-AMD-USDT:USDT",
    "symbol": "AMD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMGN-USDT",
    "type": "perpetual",
    "base_coin": "AMGN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-02T00:00:00.000Z",
    "internal_id": "perpetual-AMGN-USDT:USDT",
    "symbol": "AMGN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMZNX-USDT",
    "type": "perpetual",
    "base_coin": "AMZNX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-31T00:00:00.000Z",
    "internal_id": "perpetual-AMZNX-USDT:USDT",
    "symbol": "AMZNX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AMZU-USDT",
    "type": "perpetual",
    "base_coin": "AMZU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-21T00:00:00.000Z",
    "internal_id": "perpetual-AMZU-USDT:USDT",
    "symbol": "AMZU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANC-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-21T00:00:00.000Z",
    "end_date": "2022-05-14T00:00:00.000Z",
    "internal_id": "perpetual-ANC-USDT:USDT",
    "symbol": "ANC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANET-USDT",
    "type": "perpetual",
    "base_coin": "ANET",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-21T00:00:00.000Z",
    "internal_id": "perpetual-ANET-USDT:USDT",
    "symbol": "ANET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANIME-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-23T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-ANIME-USDT:USDT",
    "symbol": "ANIME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANKR-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-01T00:00:00.000Z",
    "end_date": "2023-05-29T00:00:00.000Z",
    "internal_id": "perpetual-ANKR-USDT:USDT",
    "symbol": "ANKR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANT-USDT",
    "type": "perpetual",
    "first_capture": "2022-06-17T00:00:00.000Z",
    "end_date": "2022-09-28T00:00:00.000Z",
    "internal_id": "perpetual-ANT-USDT:USDT",
    "symbol": "ANT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ANTHROPIC-USDT",
    "type": "perpetual",
    "base_coin": "ANTHROPIC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-08T00:00:00.000Z",
    "internal_id": "perpetual-ANTHROPIC-USDT:USDT",
    "symbol": "ANTHROPIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APD-USDT",
    "type": "perpetual",
    "base_coin": "APD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-11T00:00:00.000Z",
    "internal_id": "perpetual-APD-USDT:USDT",
    "symbol": "APD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APE-USDT",
    "type": "perpetual",
    "first_capture": "2022-03-17T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-APE-USDT:USDT",
    "symbol": "APE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "API3-USDT",
    "type": "perpetual",
    "first_capture": "2022-03-02T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-API3-USDT:USDT",
    "symbol": "API3",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APLD-USDT",
    "type": "perpetual",
    "base_coin": "APLD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-20T00:00:00.000Z",
    "internal_id": "perpetual-APLD-USDT:USDT",
    "symbol": "APLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APP-USDT",
    "type": "perpetual",
    "base_coin": "APP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-13T00:00:00.000Z",
    "internal_id": "perpetual-APP-USDT:USDT",
    "symbol": "APP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APR-USDT",
    "type": "perpetual",
    "base_coin": "APR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-10-24T00:00:00.000Z",
    "internal_id": "perpetual-APR-USDT:USDT",
    "symbol": "APR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "APT-USDT",
    "type": "perpetual",
    "base_coin": "APT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2022-10-19T00:00:00.000Z",
    "internal_id": "perpetual-APT-USDT:USDT",
    "symbol": "APT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AR-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-07T00:00:00.000Z",
    "end_date": "2022-09-30T00:00:00.000Z",
    "internal_id": "perpetual-AR-USDT:USDT",
    "symbol": "AR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARB-USDT",
    "type": "perpetual",
    "base_coin": "ARB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-03-23T00:00:00.000Z",
    "internal_id": "perpetual-ARB-USDT:USDT",
    "symbol": "ARB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARC-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-14T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-ARC-USDT:USDT",
    "symbol": "ARC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARIA-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-04T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-ARIA-USDT:USDT",
    "symbol": "ARIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARK-USDT",
    "type": "perpetual",
    "first_capture": "2023-10-31T00:00:00.000Z",
    "end_date": "2024-06-21T00:00:00.000Z",
    "internal_id": "perpetual-ARK-USDT:USDT",
    "symbol": "ARK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARM-USDT",
    "type": "perpetual",
    "base_coin": "ARM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-25T00:00:00.000Z",
    "internal_id": "perpetual-ARM-USDT:USDT",
    "symbol": "ARM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARPA-USDT",
    "type": "perpetual",
    "first_capture": "2022-02-16T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-ARPA-USDT:USDT",
    "symbol": "ARPA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ARX-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-24T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-ARX-USDT:USDT",
    "symbol": "ARX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ASML-USDT",
    "type": "perpetual",
    "base_coin": "ASML",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-26T00:00:00.000Z",
    "internal_id": "perpetual-ASML-USDT:USDT",
    "symbol": "ASML",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ASP-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-25T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ASP-USDT:USDT",
    "symbol": "ASP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ASTER-USDT",
    "type": "perpetual",
    "base_coin": "ASTER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-09-20T00:00:00.000Z",
    "internal_id": "perpetual-ASTER-USDT:USDT",
    "symbol": "ASTER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ASTS-USDT",
    "type": "perpetual",
    "base_coin": "ASTS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-02T00:00:00.000Z",
    "internal_id": "perpetual-ASTS-USDT:USDT",
    "symbol": "ASTS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ASX-USDT",
    "type": "perpetual",
    "base_coin": "ASX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-11T00:00:00.000Z",
    "internal_id": "perpetual-ASX-USDT:USDT",
    "symbol": "ASX",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-11-06T08:00:00.000Z"
  },
  {
    "id": "AT-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-28T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-AT-USDT:USDT",
    "symbol": "AT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ATH-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-17T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-ATH-USDT:USDT",
    "symbol": "ATH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ATOM-USDT",
    "type": "perpetual",
    "base_coin": "ATOM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-26T00:00:00.000Z",
    "internal_id": "perpetual-ATOM-USDT:USDT",
    "symbol": "ATOM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AVAIL-USDT",
    "type": "perpetual",
    "first_capture": "2024-07-25T00:00:00.000Z",
    "end_date": "2024-11-12T00:00:00.000Z",
    "internal_id": "perpetual-AVAIL-USDT:USDT",
    "symbol": "AVAIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AVAX-USDT",
    "type": "perpetual",
    "base_coin": "AVAX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "internal_id": "perpetual-AVAX-USDT:USDT",
    "symbol": "AVAX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AVGO-USDT",
    "type": "perpetual",
    "base_coin": "AVGO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-12T00:00:00.000Z",
    "internal_id": "perpetual-AVGO-USDT:USDT",
    "symbol": "AVGO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AVNT-USDT",
    "type": "perpetual",
    "base_coin": "AVNT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-09-10T00:00:00.000Z",
    "internal_id": "perpetual-AVNT-USDT:USDT",
    "symbol": "AVNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AXIS-USDT",
    "type": "perpetual",
    "base_coin": "AXIS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-23T00:00:00.000Z",
    "internal_id": "perpetual-AXIS-USDT:USDT",
    "symbol": "AXIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AXL-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-11T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-AXL-USDT:USDT",
    "symbol": "AXL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AXP-USDT",
    "type": "perpetual",
    "base_coin": "AXP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-04T00:00:00.000Z",
    "internal_id": "perpetual-AXP-USDT:USDT",
    "symbol": "AXP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AXS-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-04T00:00:00.000Z",
    "end_date": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-AXS-USDT:USDT",
    "symbol": "AXS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AXTI-USDT",
    "type": "perpetual",
    "base_coin": "AXTI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-AXTI-USDT:USDT",
    "symbol": "AXTI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "AZTEC-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-12T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-AZTEC-USDT:USDT",
    "symbol": "AZTEC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "B-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-23T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-B-USDT:USDT",
    "symbol": "B",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BA-USDT",
    "type": "perpetual",
    "base_coin": "BA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-28T00:00:00.000Z",
    "internal_id": "perpetual-BA-USDT:USDT",
    "symbol": "BA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BABA-USDT",
    "type": "perpetual",
    "base_coin": "BABA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-21T00:00:00.000Z",
    "internal_id": "perpetual-BABA-USDT:USDT",
    "symbol": "BABA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BABY-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-10T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-BABY-USDT:USDT",
    "symbol": "BABY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BABYDOGE-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-17T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-BABYDOGE-USDT:USDT",
    "symbol": "BABYDOGE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAC-USDT",
    "type": "perpetual",
    "base_coin": "BAC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-22T00:00:00.000Z",
    "internal_id": "perpetual-BAC-USDT:USDT",
    "symbol": "BAC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BADGER-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-17T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-BADGER-USDT:USDT",
    "symbol": "BADGER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAGS-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-BAGS-USDT:USDT",
    "symbol": "BAGS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAKE-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-22T00:00:00.000Z",
    "end_date": "2025-05-08T00:00:00.000Z",
    "internal_id": "perpetual-BAKE-USDT:USDT",
    "symbol": "BAKE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAL-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-BAL-USDT:USDT",
    "symbol": "BAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BANANAS31-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-26T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-BANANAS31-USDT:USDT",
    "symbol": "BANANAS31",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAND-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-BAND-USDT:USDT",
    "symbol": "BAND",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BANK-USDT",
    "type": "perpetual",
    "base_coin": "BANK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-07-20T00:00:00.000Z",
    "internal_id": "perpetual-BANK-USDT:USDT",
    "symbol": "BANK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BARD-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-18T00:00:00.000Z",
    "end_date": "2026-05-16T00:00:00.000Z",
    "internal_id": "perpetual-BARD-USDT:USDT",
    "symbol": "BARD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BASED-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-31T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-BASED-USDT:USDT",
    "symbol": "BASED",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BAT-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-BAT-USDT:USDT",
    "symbol": "BAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BB-USDT",
    "type": "perpetual",
    "first_capture": "2024-05-13T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-BB-USDT:USDT",
    "symbol": "BB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BBX-USDT",
    "type": "perpetual",
    "base_coin": "BBX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-02T00:00:00.000Z",
    "internal_id": "perpetual-BBX-USDT:USDT",
    "symbol": "BBX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BCH-USDT",
    "type": "perpetual",
    "base_coin": "BCH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-BCH-USDT:USDT",
    "symbol": "BCH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BDXN-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-04T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-BDXN-USDT:USDT",
    "symbol": "BDXN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BE-USDT",
    "type": "perpetual",
    "base_coin": "BE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-27T00:00:00.000Z",
    "internal_id": "perpetual-BE-USDT:USDT",
    "symbol": "BE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BEAT-USDT",
    "type": "perpetual",
    "base_coin": "BEAT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-11-13T00:00:00.000Z",
    "internal_id": "perpetual-BEAT-USDT:USDT",
    "symbol": "BEAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BEER-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-19T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-BEER-USDT:USDT",
    "symbol": "BEER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BERA-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-06T00:00:00.000Z",
    "end_date": "2026-05-16T00:00:00.000Z",
    "internal_id": "perpetual-BERA-USDT:USDT",
    "symbol": "BERA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BICO-USDT",
    "type": "perpetual",
    "first_capture": "2021-12-09T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-BICO-USDT:USDT",
    "symbol": "BICO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BID-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-04T00:00:00.000Z",
    "end_date": "2025-12-12T00:00:00.000Z",
    "internal_id": "perpetual-BID-USDT:USDT",
    "symbol": "BID",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BIGTIME-USDT",
    "type": "perpetual",
    "first_capture": "2023-10-13T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-BIGTIME-USDT:USDT",
    "symbol": "BIGTIME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BILL-USDT",
    "type": "perpetual",
    "base_coin": "BILL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-BILL-USDT:USDT",
    "symbol": "BILL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BIO-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-03T00:00:00.000Z",
    "end_date": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-BIO-USDT:USDT",
    "symbol": "BIO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BIRB-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-29T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-BIRB-USDT:USDT",
    "symbol": "BIRB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BITO-USDT",
    "type": "perpetual",
    "base_coin": "BITO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-29T00:00:00.000Z",
    "internal_id": "perpetual-BITO-USDT:USDT",
    "symbol": "BITO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BKNG-USDT",
    "type": "perpetual",
    "base_coin": "BKNG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-14T00:00:00.000Z",
    "internal_id": "perpetual-BKNG-USDT:USDT",
    "symbol": "BKNG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLAST-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-26T00:00:00.000Z",
    "end_date": "2024-10-11T00:00:00.000Z",
    "internal_id": "perpetual-BLAST-USDT:USDT",
    "symbol": "BLAST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLD-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-06T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-BLD-USDT:USDT",
    "symbol": "BLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLESS-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-24T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-BLESS-USDT:USDT",
    "symbol": "BLESS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLUAI-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-22T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-BLUAI-USDT:USDT",
    "symbol": "BLUAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLUR-USDT",
    "type": "perpetual",
    "first_capture": "2023-02-15T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-BLUR-USDT:USDT",
    "symbol": "BLUR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BLZ-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-12T00:00:00.000Z",
    "end_date": "2025-04-25T00:00:00.000Z",
    "internal_id": "perpetual-BLZ-USDT:USDT",
    "symbol": "BLZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BMNR-USDT",
    "type": "perpetual",
    "base_coin": "BMNR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-25T00:00:00.000Z",
    "internal_id": "perpetual-BMNR-USDT:USDT",
    "symbol": "BMNR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BMT-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-18T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-BMT-USDT:USDT",
    "symbol": "BMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BNB-USDT",
    "type": "perpetual",
    "base_coin": "BNB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-BNB-USDT:USDT",
    "symbol": "BNB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BNC-USDT",
    "type": "perpetual",
    "base_coin": "BNC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-21T00:00:00.000Z",
    "internal_id": "perpetual-BNC-USDT:USDT",
    "symbol": "BNC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BNT-USDT",
    "type": "perpetual",
    "first_capture": "2021-02-23T00:00:00.000Z",
    "end_date": "2024-02-23T00:00:00.000Z",
    "internal_id": "perpetual-BNT-USDT:USDT",
    "symbol": "BNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BOB-USDT",
    "type": "perpetual",
    "first_capture": "2023-05-22T00:00:00.000Z",
    "end_date": "2026-02-13T00:00:00.000Z",
    "internal_id": "perpetual-BOB-USDT:USDT",
    "symbol": "BOB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BOME-USDT",
    "type": "perpetual",
    "base_coin": "BOME",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-03-16T00:00:00.000Z",
    "internal_id": "perpetual-BOME-USDT:USDT",
    "symbol": "BOME",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-11-06T08:00:00.000Z"
  },
  {
    "id": "BONK-USDT",
    "type": "perpetual",
    "base_coin": "BONK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-11-22T00:00:00.000Z",
    "internal_id": "perpetual-BONK-USDT:USDT",
    "symbol": "BONK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BOT-USDT",
    "type": "perpetual",
    "base_coin": "BOT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-BOT-USDT:USDT",
    "symbol": "BOT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BR-USDT",
    "type": "perpetual",
    "base_coin": "BR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-15T00:00:00.000Z",
    "internal_id": "perpetual-BR-USDT:USDT",
    "symbol": "BR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BRENTOIL-USDT",
    "type": "perpetual",
    "base_coin": "BRENTOIL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-03-09T00:00:00.000Z",
    "internal_id": "perpetual-BRENTOIL-USDT:USDT",
    "symbol": "BRENTOIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BREV-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-06T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-BREV-USDT:USDT",
    "symbol": "BREV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BRKB-USDT",
    "type": "perpetual",
    "base_coin": "BRKB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-19T00:00:00.000Z",
    "internal_id": "perpetual-BRKB-USDT:USDT",
    "symbol": "BRKB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BROCCOLI-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-21T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-BROCCOLI-USDT:USDT",
    "symbol": "BROCCOLI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BSB-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-26T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-BSB-USDT:USDT",
    "symbol": "BSB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BSP-USDT",
    "type": "perpetual",
    "base_coin": "BSP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-07T00:00:00.000Z",
    "internal_id": "perpetual-BSP-USDT:USDT",
    "symbol": "BSP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BSV-USDT",
    "type": "perpetual",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-BSV-USDT:USDT",
    "symbol": "BSV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BSW-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-27T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-BSW-USDT:USDT",
    "symbol": "BSW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BTC-USDT",
    "type": "perpetual",
    "base_coin": "BTC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-BTC-USDT:USDT",
    "symbol": "BTC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BTR-USDT",
    "type": "perpetual",
    "base_coin": "BTR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-08-27T00:00:00.000Z",
    "internal_id": "perpetual-BTR-USDT:USDT",
    "symbol": "BTR",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "BTS-USDT",
    "type": "perpetual",
    "first_capture": "2021-02-03T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-BTS-USDT:USDT",
    "symbol": "BTS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BTT-USDT",
    "type": "perpetual",
    "base_coin": "BTT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-04-09T00:00:00.000Z",
    "internal_id": "perpetual-BTT-USDT:USDT",
    "symbol": "BTT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BTW-USDT",
    "type": "perpetual",
    "base_coin": "BTW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-06-05T00:00:00.000Z",
    "internal_id": "perpetual-BTW-USDT:USDT",
    "symbol": "BTW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BULLA-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-06T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-BULLA-USDT:USDT",
    "symbol": "BULLA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BWET-USDT",
    "type": "perpetual",
    "base_coin": "BWET",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "internal_id": "perpetual-BWET-USDT:USDT",
    "symbol": "BWET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BX-USDT",
    "type": "perpetual",
    "base_coin": "BX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-BX-USDT:USDT",
    "symbol": "BX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "BYD-USDT",
    "type": "perpetual",
    "base_coin": "BYD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-07T00:00:00.000Z",
    "internal_id": "perpetual-BYD-USDT:USDT",
    "symbol": "BYD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "C-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-16T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-C-USDT:USDT",
    "symbol": "C",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "C98-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-07T00:00:00.000Z",
    "end_date": "2023-10-27T00:00:00.000Z",
    "internal_id": "perpetual-C98-USDT:USDT",
    "symbol": "C98",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CAKE-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-06T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-CAKE-USDT:USDT",
    "symbol": "CAKE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CAP-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-29T00:00:00.000Z",
    "end_date": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-CAP-USDT:USDT",
    "symbol": "CAP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CASHCAT-USDT",
    "type": "perpetual",
    "base_coin": "CASHCAT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-07T00:00:00.000Z",
    "internal_id": "perpetual-CASHCAT-USDT:USDT",
    "symbol": "CASHCAT",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-11-06T08:00:00.000Z"
  },
  {
    "id": "CAT-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-13T00:00:00.000Z",
    "end_date": "2025-04-19T00:00:00.000Z",
    "internal_id": "perpetual-CAT-USDT:USDT",
    "symbol": "CAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CATI-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-20T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-CATI-USDT:USDT",
    "symbol": "CATI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CATSTOCK-USDT",
    "type": "perpetual",
    "base_coin": "CATSTOCK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-CATSTOCK-USDT:USDT",
    "symbol": "CATSTOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CBRS-USDT",
    "type": "perpetual",
    "base_coin": "CBRS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-18T00:00:00.000Z",
    "internal_id": "perpetual-CBRS-USDT:USDT",
    "symbol": "CBRS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CC-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-11T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-CC-USDT:USDT",
    "symbol": "CC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CEG-USDT",
    "type": "perpetual",
    "base_coin": "CEG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-10T00:00:00.000Z",
    "internal_id": "perpetual-CEG-USDT:USDT",
    "symbol": "CEG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CEL-USDT",
    "type": "perpetual",
    "first_capture": "2022-06-23T00:00:00.000Z",
    "end_date": "2022-11-04T00:00:00.000Z",
    "internal_id": "perpetual-CEL-USDT:USDT",
    "symbol": "CEL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CELO-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-13T00:00:00.000Z",
    "end_date": "2022-09-30T00:00:00.000Z",
    "internal_id": "perpetual-CELO-USDT:USDT",
    "symbol": "CELO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CELR-USDT",
    "type": "perpetual",
    "first_capture": "2021-11-18T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-CELR-USDT:USDT",
    "symbol": "CELR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CETUS-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-28T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-CETUS-USDT:USDT",
    "symbol": "CETUS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CFG-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-17T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-CFG-USDT:USDT",
    "symbol": "CFG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CFX-USDT",
    "type": "perpetual",
    "first_capture": "2023-02-21T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-CFX-USDT:USDT",
    "symbol": "CFX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CGNX-USDT",
    "type": "perpetual",
    "base_coin": "CGNX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-02T00:00:00.000Z",
    "internal_id": "perpetual-CGNX-USDT:USDT",
    "symbol": "CGNX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CHILLGUY-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-28T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-CHILLGUY-USDT:USDT",
    "symbol": "CHILLGUY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CHIP-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-22T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-CHIP-USDT:USDT",
    "symbol": "CHIP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CHR-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-18T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-CHR-USDT:USDT",
    "symbol": "CHR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CHZ-USDT",
    "type": "perpetual",
    "base_coin": "CHZ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-03-12T00:00:00.000Z",
    "internal_id": "perpetual-CHZ-USDT:USDT",
    "symbol": "CHZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CIEN-USDT",
    "type": "perpetual",
    "base_coin": "CIEN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-16T00:00:00.000Z",
    "internal_id": "perpetual-CIEN-USDT:USDT",
    "symbol": "CIEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CIFR-USDT",
    "type": "perpetual",
    "base_coin": "CIFR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-11T00:00:00.000Z",
    "internal_id": "perpetual-CIFR-USDT:USDT",
    "symbol": "CIFR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CKB-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-28T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-CKB-USDT:USDT",
    "symbol": "CKB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CLO-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-15T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-CLO-USDT:USDT",
    "symbol": "CLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CLSK-USDT",
    "type": "perpetual",
    "base_coin": "CLSK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-22T00:00:00.000Z",
    "internal_id": "perpetual-CLSK-USDT:USDT",
    "symbol": "CLSK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CLV-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-24T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-CLV-USDT:USDT",
    "symbol": "CLV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CMCSA-USDT",
    "type": "perpetual",
    "base_coin": "CMCSA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-22T00:00:00.000Z",
    "internal_id": "perpetual-CMCSA-USDT:USDT",
    "symbol": "CMCSA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COAI-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-09T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-COAI-USDT:USDT",
    "symbol": "COAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COHR-USDT",
    "type": "perpetual",
    "base_coin": "COHR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-14T00:00:00.000Z",
    "internal_id": "perpetual-COHR-USDT:USDT",
    "symbol": "COHR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COINX-USDT",
    "type": "perpetual",
    "base_coin": "COINX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-31T00:00:00.000Z",
    "internal_id": "perpetual-COINX-USDT:USDT",
    "symbol": "COINX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COMBO-USDT",
    "type": "perpetual",
    "first_capture": "2023-06-02T00:00:00.000Z",
    "end_date": "2023-08-04T00:00:00.000Z",
    "internal_id": "perpetual-COMBO-USDT:USDT",
    "symbol": "COMBO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COMMON-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-28T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-COMMON-USDT:USDT",
    "symbol": "COMMON",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COMP-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-16T00:00:00.000Z",
    "end_date": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-COMP-USDT:USDT",
    "symbol": "COMP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CONL-USDT",
    "type": "perpetual",
    "base_coin": "CONL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-21T00:00:00.000Z",
    "internal_id": "perpetual-CONL-USDT:USDT",
    "symbol": "CONL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COOKIE-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-22T00:00:00.000Z",
    "end_date": "2025-08-02T00:00:00.000Z",
    "internal_id": "perpetual-COOKIE-USDT:USDT",
    "symbol": "COOKIE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COPPER-USDT",
    "type": "perpetual",
    "base_coin": "COPPER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-03-10T00:00:00.000Z",
    "internal_id": "perpetual-COPPER-USDT:USDT",
    "symbol": "COPPER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CORE-USDT",
    "type": "perpetual",
    "first_capture": "2023-02-09T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-CORE-USDT:USDT",
    "symbol": "CORE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COST-USDT",
    "type": "perpetual",
    "base_coin": "COST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-20T00:00:00.000Z",
    "internal_id": "perpetual-COST-USDT:USDT",
    "symbol": "COST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "COTI-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-31T00:00:00.000Z",
    "end_date": "2024-10-11T00:00:00.000Z",
    "internal_id": "perpetual-COTI-USDT:USDT",
    "symbol": "COTI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRCLX-USDT",
    "type": "perpetual",
    "base_coin": "CRCLX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-30T00:00:00.000Z",
    "internal_id": "perpetual-CRCLX-USDT:USDT",
    "symbol": "CRCLX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRDO-USDT",
    "type": "perpetual",
    "base_coin": "CRDO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-CRDO-USDT:USDT",
    "symbol": "CRDO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRM-USDT",
    "type": "perpetual",
    "base_coin": "CRM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-04T00:00:00.000Z",
    "internal_id": "perpetual-CRM-USDT:USDT",
    "symbol": "CRM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRML-USDT",
    "type": "perpetual",
    "base_coin": "CRML",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "internal_id": "perpetual-CRML-USDT:USDT",
    "symbol": "CRML",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRO-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-01T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-CRO-USDT:USDT",
    "symbol": "CRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CROSS-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-15T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-CROSS-USDT:USDT",
    "symbol": "CROSS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRV-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-21T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-CRV-USDT:USDT",
    "symbol": "CRV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRWD-USDT",
    "type": "perpetual",
    "base_coin": "CRWD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-CRWD-USDT:USDT",
    "symbol": "CRWD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CRWV-USDT",
    "type": "perpetual",
    "base_coin": "CRWV",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-13T00:00:00.000Z",
    "internal_id": "perpetual-CRWV-USDT:USDT",
    "symbol": "CRWV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CSCO-USDT",
    "type": "perpetual",
    "base_coin": "CSCO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-15T00:00:00.000Z",
    "internal_id": "perpetual-CSCO-USDT:USDT",
    "symbol": "CSCO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CSOPSAMSUNG2L-USDT",
    "type": "perpetual",
    "base_coin": "CSOPSAMSUNG2L",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-12T00:00:00.000Z",
    "internal_id": "perpetual-CSOPSAMSUNG2L-USDT:USDT",
    "symbol": "CSOPSAMSUNG2L",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CSOPSKHYNIX2L-USDT",
    "type": "perpetual",
    "base_coin": "CSOPSKHYNIX2L",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-12T00:00:00.000Z",
    "internal_id": "perpetual-CSOPSKHYNIX2L-USDT:USDT",
    "symbol": "CSOPSKHYNIX2L",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CSPR-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-14T00:00:00.000Z",
    "end_date": "2022-08-26T00:00:00.000Z",
    "internal_id": "perpetual-CSPR-USDT:USDT",
    "symbol": "CSPR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CT-USDT",
    "type": "perpetual",
    "base_coin": "CT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-CT-USDT:USDT",
    "symbol": "CT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CTR-USDT",
    "type": "perpetual",
    "first_capture": "2026-05-29T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-CTR-USDT:USDT",
    "symbol": "CTR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CTSI-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-17T00:00:00.000Z",
    "end_date": "2023-03-17T00:00:00.000Z",
    "internal_id": "perpetual-CTSI-USDT:USDT",
    "symbol": "CTSI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CUDIS-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-21T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-CUDIS-USDT:USDT",
    "symbol": "CUDIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CVC-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2022-09-30T00:00:00.000Z",
    "internal_id": "perpetual-CVC-USDT:USDT",
    "symbol": "CVC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CVNA-USDT",
    "type": "perpetual",
    "base_coin": "CVNA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "internal_id": "perpetual-CVNA-USDT:USDT",
    "symbol": "CVNA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CVX-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-CVX-USDT:USDT",
    "symbol": "CVX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CVXSTOCK-USDT",
    "type": "perpetual",
    "base_coin": "CVXSTOCK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-CVXSTOCK-USDT:USDT",
    "symbol": "CVXSTOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CXMT-USDT",
    "type": "perpetual",
    "base_coin": "CXMT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-28T00:00:00.000Z",
    "internal_id": "perpetual-CXMT-USDT:USDT",
    "symbol": "CXMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CYBER-USDT",
    "type": "perpetual",
    "first_capture": "2023-08-21T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-CYBER-USDT:USDT",
    "symbol": "CYBER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "CYPH-USDT",
    "type": "perpetual",
    "base_coin": "CYPH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-20T00:00:00.000Z",
    "internal_id": "perpetual-CYPH-USDT:USDT",
    "symbol": "CYPH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DAR-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-09T00:00:00.000Z",
    "end_date": "2025-02-15T00:00:00.000Z",
    "internal_id": "perpetual-DAR-USDT:USDT",
    "symbol": "DAR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DASH-USDT",
    "type": "perpetual",
    "base_coin": "DASH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-26T00:00:00.000Z",
    "internal_id": "perpetual-DASH-USDT:USDT",
    "symbol": "DASH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DDOG-USDT",
    "type": "perpetual",
    "base_coin": "DDOG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-DDOG-USDT:USDT",
    "symbol": "DDOG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DEEP-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-22T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-DEEP-USDT:USDT",
    "symbol": "DEEP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DEGEN-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-14T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-DEGEN-USDT:USDT",
    "symbol": "DEGEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DELL-USDT",
    "type": "perpetual",
    "base_coin": "DELL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-18T00:00:00.000Z",
    "internal_id": "perpetual-DELL-USDT:USDT",
    "symbol": "DELL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DENT-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-27T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-DENT-USDT:USDT",
    "symbol": "DENT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DIS-USDT",
    "type": "perpetual",
    "base_coin": "DIS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-18T00:00:00.000Z",
    "internal_id": "perpetual-DIS-USDT:USDT",
    "symbol": "DIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DJT-USDT",
    "type": "perpetual",
    "base_coin": "DJT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-26T00:00:00.000Z",
    "internal_id": "perpetual-DJT-USDT:USDT",
    "symbol": "DJT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DKNG-USDT",
    "type": "perpetual",
    "base_coin": "DKNG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-DKNG-USDT:USDT",
    "symbol": "DKNG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DMC-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-24T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-DMC-USDT:USDT",
    "symbol": "DMC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DNA-USDT",
    "type": "perpetual",
    "base_coin": "DNA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-19T15:16:12.449630Z",
    "internal_id": "perpetual-DNA-USDT:USDT",
    "symbol": "DNA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOGE-USDT",
    "type": "perpetual",
    "base_coin": "DOGE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-01-13T00:00:00.000Z",
    "internal_id": "perpetual-DOGE-USDT:USDT",
    "symbol": "DOGE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOGS-USDT",
    "type": "perpetual",
    "first_capture": "2024-08-26T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-DOGS-USDT:USDT",
    "symbol": "DOGS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOLO-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-28T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-DOLO-USDT:USDT",
    "symbol": "DOLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOOD-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-09T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-DOOD-USDT:USDT",
    "symbol": "DOOD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOS-USDT",
    "type": "perpetual",
    "base_coin": "DOS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-12T00:00:00.000Z",
    "internal_id": "perpetual-DOS-USDT:USDT",
    "symbol": "DOS",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "DOSE-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-DOSE-USDT:USDT",
    "symbol": "DOSE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DOT-USDT",
    "type": "perpetual",
    "base_coin": "DOT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-DOT-USDT:USDT",
    "symbol": "DOT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DRAM-USDT",
    "type": "perpetual",
    "base_coin": "DRAM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-11T00:00:00.000Z",
    "internal_id": "perpetual-DRAM-USDT:USDT",
    "symbol": "DRAM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DUSK-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-DUSK-USDT:USDT",
    "symbol": "DUSK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DYDX-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-08T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-DYDX-USDT:USDT",
    "symbol": "DYDX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "DYM-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-07T00:00:00.000Z",
    "end_date": "2024-08-06T00:00:00.000Z",
    "internal_id": "perpetual-DYM-USDT:USDT",
    "symbol": "DYM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EBAY-USDT",
    "type": "perpetual",
    "base_coin": "EBAY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-EBAY-USDT:USDT",
    "symbol": "EBAY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EDEN-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-30T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-EDEN-USDT:USDT",
    "symbol": "EDEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EDGE-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-01T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-EDGE-USDT:USDT",
    "symbol": "EDGE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EGLD-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-23T00:00:00.000Z",
    "end_date": "2024-07-12T00:00:00.000Z",
    "internal_id": "perpetual-EGLD-USDT:USDT",
    "symbol": "EGLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EGS-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-13T00:00:00.000Z",
    "end_date": "2022-07-27T00:00:00.000Z",
    "internal_id": "perpetual-EGS-USDT:USDT",
    "symbol": "EGS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EIDO-USDT",
    "type": "perpetual",
    "base_coin": "EIDO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-27T00:00:00.000Z",
    "internal_id": "perpetual-EIDO-USDT:USDT",
    "symbol": "EIDO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EIGEN-USDT",
    "type": "perpetual",
    "first_capture": "2024-10-01T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-EIGEN-USDT:USDT",
    "symbol": "EIGEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ELSA-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-23T00:00:00.000Z",
    "end_date": "2026-03-27T00:00:00.000Z",
    "internal_id": "perpetual-ELSA-USDT:USDT",
    "symbol": "ELSA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ENA-USDT",
    "type": "perpetual",
    "base_coin": "ENA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-04-02T00:00:00.000Z",
    "internal_id": "perpetual-ENA-USDT:USDT",
    "symbol": "ENA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ENJ-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-19T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-ENJ-USDT:USDT",
    "symbol": "ENJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ENS-USDT",
    "type": "perpetual",
    "first_capture": "2021-12-09T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-ENS-USDT:USDT",
    "symbol": "ENS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ENSO-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-30T00:00:00.000Z",
    "end_date": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-ENSO-USDT:USDT",
    "symbol": "ENSO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EOS-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-12T00:00:00.000Z",
    "end_date": "2025-05-29T00:00:00.000Z",
    "internal_id": "perpetual-EOS-USDT:USDT",
    "symbol": "EOS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EPT-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-21T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-EPT-USDT:USDT",
    "symbol": "EPT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EQT-USDT",
    "type": "perpetual",
    "base_coin": "EQT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-27T00:00:00.000Z",
    "internal_id": "perpetual-EQT-USDT:USDT",
    "symbol": "EQT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ERA-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-18T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-ERA-USDT:USDT",
    "symbol": "ERA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ESP-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-13T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-ESP-USDT:USDT",
    "symbol": "ESP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ESPORTS-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-30T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-ESPORTS-USDT:USDT",
    "symbol": "ESPORTS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ETC-USDT",
    "type": "perpetual",
    "base_coin": "ETC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-20T00:00:00.000Z",
    "internal_id": "perpetual-ETC-USDT:USDT",
    "symbol": "ETC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ETH-USDT",
    "type": "perpetual",
    "base_coin": "ETH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-ETH-USDT:USDT",
    "symbol": "ETH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ETHFI-USDT",
    "type": "perpetual",
    "base_coin": "ETHFI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-03-18T00:00:00.000Z",
    "internal_id": "perpetual-ETHFI-USDT:USDT",
    "symbol": "ETHFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ETHW-USDT",
    "type": "perpetual",
    "first_capture": "2022-09-16T00:00:00.000Z",
    "end_date": "2023-01-13T00:00:00.000Z",
    "internal_id": "perpetual-ETHW-USDT:USDT",
    "symbol": "ETHW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EUL-USDT",
    "type": "perpetual",
    "base_coin": "EUL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-07-27T00:00:00.000Z",
    "internal_id": "perpetual-EUL-USDT:USDT",
    "symbol": "EUL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EURUSD-USDT",
    "type": "perpetual",
    "base_coin": "EURUSD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-09T00:00:00.000Z",
    "internal_id": "perpetual-EURUSD-USDT:USDT",
    "symbol": "EURUSD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EVAA-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-23T00:00:00.000Z",
    "end_date": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-EVAA-USDT:USDT",
    "symbol": "EVAA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EWJ-USDT",
    "type": "perpetual",
    "base_coin": "EWJ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-03-19T00:00:00.000Z",
    "internal_id": "perpetual-EWJ-USDT:USDT",
    "symbol": "EWJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EWT-USDT",
    "type": "perpetual",
    "base_coin": "EWT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-02T00:00:00.000Z",
    "internal_id": "perpetual-EWT-USDT:USDT",
    "symbol": "EWT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EWY-USDT",
    "type": "perpetual",
    "base_coin": "EWY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-03-13T00:00:00.000Z",
    "internal_id": "perpetual-EWY-USDT:USDT",
    "symbol": "EWY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EWZ-USDT",
    "type": "perpetual",
    "base_coin": "EWZ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-EWZ-USDT:USDT",
    "symbol": "EWZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "EWZS-USDT",
    "type": "perpetual",
    "base_coin": "EWZS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-02T00:00:00.000Z",
    "internal_id": "perpetual-EWZS-USDT:USDT",
    "symbol": "EWZS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "F-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-22T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-F-USDT:USDT",
    "symbol": "F",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FARTCOIN-USDT",
    "type": "perpetual",
    "base_coin": "FARTCOIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-12-24T00:00:00.000Z",
    "internal_id": "perpetual-FARTCOIN-USDT:USDT",
    "symbol": "FARTCOIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FCX-USDT",
    "type": "perpetual",
    "base_coin": "FCX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-10T00:00:00.000Z",
    "internal_id": "perpetual-FCX-USDT:USDT",
    "symbol": "FCX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FET-USDT",
    "type": "perpetual",
    "first_capture": "2023-03-13T00:00:00.000Z",
    "end_date": "2024-07-05T00:00:00.000Z",
    "internal_id": "perpetual-FET-USDT:USDT",
    "symbol": "FET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FF-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-29T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-FF-USDT:USDT",
    "symbol": "FF",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FHE-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-25T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-FHE-USDT:USDT",
    "symbol": "FHE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FIL-USDT",
    "type": "perpetual",
    "base_coin": "FIL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-FIL-USDT:USDT",
    "symbol": "FIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FITFI-USDT",
    "type": "perpetual",
    "first_capture": "2022-05-24T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-FITFI-USDT:USDT",
    "symbol": "FITFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLEX-USDT",
    "type": "perpetual",
    "base_coin": "FLEX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-FLEX-USDT:USDT",
    "symbol": "FLEX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLNC-USDT",
    "type": "perpetual",
    "base_coin": "FLNC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-19T00:00:00.000Z",
    "internal_id": "perpetual-FLNC-USDT:USDT",
    "symbol": "FLNC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLOCK-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-09T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-FLOCK-USDT:USDT",
    "symbol": "FLOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLOKI-USDT",
    "type": "perpetual",
    "base_coin": "FLOKI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-03-01T00:00:00.000Z",
    "internal_id": "perpetual-FLOKI-USDT:USDT",
    "symbol": "FLOKI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLOW-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-10T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-FLOW-USDT:USDT",
    "symbol": "FLOW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FLUID-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-25T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-FLUID-USDT:USDT",
    "symbol": "FLUID",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FOGO-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-15T00:00:00.000Z",
    "end_date": "2026-03-27T00:00:00.000Z",
    "internal_id": "perpetual-FOGO-USDT:USDT",
    "symbol": "FOGO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FOLKS-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-07T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-FOLKS-USDT:USDT",
    "symbol": "FOLKS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FORM-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-21T00:00:00.000Z",
    "end_date": "2025-08-02T00:00:00.000Z",
    "internal_id": "perpetual-FORM-USDT:USDT",
    "symbol": "FORM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FORTH-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-14T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-FORTH-USDT:USDT",
    "symbol": "FORTH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FOXA-USDT",
    "type": "perpetual",
    "base_coin": "FOXA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-FOXA-USDT:USDT",
    "symbol": "FOXA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FRONT-USDT",
    "type": "perpetual",
    "first_capture": "2021-02-23T00:00:00.000Z",
    "end_date": "2024-09-06T00:00:00.000Z",
    "internal_id": "perpetual-FRONT-USDT:USDT",
    "symbol": "FRONT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FSN-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-FSN-USDT:USDT",
    "symbol": "FSN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FTM-USDT",
    "type": "perpetual",
    "first_capture": "2021-11-24T00:00:00.000Z",
    "end_date": "2025-01-14T00:00:00.000Z",
    "internal_id": "perpetual-FTM-USDT:USDT",
    "symbol": "FTM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FTNT-USDT",
    "type": "perpetual",
    "base_coin": "FTNT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-05T00:00:00.000Z",
    "internal_id": "perpetual-FTNT-USDT:USDT",
    "symbol": "FTNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FTT-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-14T00:00:00.000Z",
    "end_date": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-FTT-USDT:USDT",
    "symbol": "FTT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FUN-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-20T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-FUN-USDT:USDT",
    "symbol": "FUN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "FWDI-USDT",
    "type": "perpetual",
    "base_coin": "FWDI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-16T00:00:00.000Z",
    "internal_id": "perpetual-FWDI-USDT:USDT",
    "symbol": "FWDI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "G-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-17T00:00:00.000Z",
    "end_date": "2026-05-16T00:00:00.000Z",
    "internal_id": "perpetual-G-USDT:USDT",
    "symbol": "G",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GAL-USDT",
    "type": "perpetual",
    "first_capture": "2022-05-05T00:00:00.000Z",
    "end_date": "2024-07-19T00:00:00.000Z",
    "internal_id": "perpetual-GAL-USDT:USDT",
    "symbol": "GAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GALA-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-23T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-GALA-USDT:USDT",
    "symbol": "GALA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GARI-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-GARI-USDT:USDT",
    "symbol": "GARI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GAS-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-05T00:00:00.000Z",
    "end_date": "2025-02-19T00:00:00.000Z",
    "internal_id": "perpetual-GAS-USDT:USDT",
    "symbol": "GAS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GBPUSD-USDT",
    "type": "perpetual",
    "base_coin": "GBPUSD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-09T00:00:00.000Z",
    "internal_id": "perpetual-GBPUSD-USDT:USDT",
    "symbol": "GBPUSD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GDX-USDT",
    "type": "perpetual",
    "base_coin": "GDX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-17T00:00:00.000Z",
    "internal_id": "perpetual-GDX-USDT:USDT",
    "symbol": "GDX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GE-USDT",
    "type": "perpetual",
    "base_coin": "GE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-10T00:00:00.000Z",
    "internal_id": "perpetual-GE-USDT:USDT",
    "symbol": "GE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GENIUS-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-17T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-GENIUS-USDT:USDT",
    "symbol": "GENIUS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GEV-USDT",
    "type": "perpetual",
    "base_coin": "GEV",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-13T00:00:00.000Z",
    "internal_id": "perpetual-GEV-USDT:USDT",
    "symbol": "GEV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GFS-USDT",
    "type": "perpetual",
    "base_coin": "GFS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-09T00:00:00.000Z",
    "internal_id": "perpetual-GFS-USDT:USDT",
    "symbol": "GFS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GIGADEV-USDT",
    "type": "perpetual",
    "base_coin": "GIGADEV",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-05T00:00:00.000Z",
    "internal_id": "perpetual-GIGADEV-USDT:USDT",
    "symbol": "GIGADEV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GIGADEVICE-USDT",
    "type": "perpetual",
    "first_capture": "2026-07-29T00:00:00.000Z",
    "end_date": "2026-08-13T00:00:00.000Z",
    "internal_id": "perpetual-GIGADEVICE-USDT:USDT",
    "symbol": "GIGADEVICE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GIGGLE-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-10T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-GIGGLE-USDT:USDT",
    "symbol": "GIGGLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GILD-USDT",
    "type": "perpetual",
    "base_coin": "GILD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-03T00:00:00.000Z",
    "internal_id": "perpetual-GILD-USDT:USDT",
    "symbol": "GILD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GLMR-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-15T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-GLMR-USDT:USDT",
    "symbol": "GLMR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GLW-USDT",
    "type": "perpetual",
    "base_coin": "GLW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-27T00:00:00.000Z",
    "internal_id": "perpetual-GLW-USDT:USDT",
    "symbol": "GLW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GME-USDT",
    "type": "perpetual",
    "base_coin": "GME",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2024-06-12T00:00:00.000Z",
    "internal_id": "perpetual-GME-USDT:USDT",
    "symbol": "GME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GMT-USDT",
    "type": "perpetual",
    "first_capture": "2022-03-30T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-GMT-USDT:USDT",
    "symbol": "GMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GOAT-USDT",
    "type": "perpetual",
    "first_capture": "2024-10-23T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-GOAT-USDT:USDT",
    "symbol": "GOAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GOOGL-USDT",
    "type": "perpetual",
    "base_coin": "GOOGL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-16T00:00:00.000Z",
    "internal_id": "perpetual-GOOGL-USDT:USDT",
    "symbol": "GOOGL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GPRO-USDT",
    "type": "perpetual",
    "base_coin": "GPRO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-04T00:00:00.000Z",
    "internal_id": "perpetual-GPRO-USDT:USDT",
    "symbol": "GPRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GPS-USDT",
    "type": "perpetual",
    "base_coin": "GPS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-03-05T00:00:00.000Z",
    "internal_id": "perpetual-GPS-USDT:USDT",
    "symbol": "GPS",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "GRAM-USDT",
    "type": "perpetual",
    "base_coin": "GRAM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-06-18T00:00:00.000Z",
    "internal_id": "perpetual-GRAM-USDT:USDT",
    "symbol": "GRAM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GRASS-USDT",
    "type": "perpetual",
    "first_capture": "2024-10-28T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-GRASS-USDT:USDT",
    "symbol": "GRASS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GRT-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-GRT-USDT:USDT",
    "symbol": "GRT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GRVT-USDT",
    "type": "perpetual",
    "first_capture": "2026-08-03T00:00:00.000Z",
    "end_date": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-GRVT-USDT:USDT",
    "symbol": "GRVT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GS-USDT",
    "type": "perpetual",
    "base_coin": "GS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-GS-USDT:USDT",
    "symbol": "GS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GST-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-29T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-GST-USDT:USDT",
    "symbol": "GST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GTLB-USDT",
    "type": "perpetual",
    "base_coin": "GTLB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-GTLB-USDT:USDT",
    "symbol": "GTLB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "GUN-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-31T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-GUN-USDT:USDT",
    "symbol": "GUN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "H-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-25T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-H-USDT:USDT",
    "symbol": "H",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "H100-USDT",
    "type": "perpetual",
    "base_coin": "H100",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-H100-USDT:USDT",
    "symbol": "H100",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HAEDAL-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-06T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-HAEDAL-USDT:USDT",
    "symbol": "HAEDAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HANA-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-24T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-HANA-USDT:USDT",
    "symbol": "HANA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HANMI-USDT",
    "type": "perpetual",
    "base_coin": "HANMI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-HANMI-USDT:USDT",
    "symbol": "HANMI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HBAR-USDT",
    "type": "perpetual",
    "base_coin": "HBAR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-03-19T00:00:00.000Z",
    "internal_id": "perpetual-HBAR-USDT:USDT",
    "symbol": "HBAR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HD-USDT",
    "type": "perpetual",
    "base_coin": "HD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-18T00:00:00.000Z",
    "internal_id": "perpetual-HD-USDT:USDT",
    "symbol": "HD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HEMI-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-22T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-HEMI-USDT:USDT",
    "symbol": "HEMI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HFT-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-01T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-HFT-USDT:USDT",
    "symbol": "HFT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HIFI-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-13T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-HIFI-USDT:USDT",
    "symbol": "HIFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HIMS-USDT",
    "type": "perpetual",
    "base_coin": "HIMS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-13T00:00:00.000Z",
    "internal_id": "perpetual-HIMS-USDT:USDT",
    "symbol": "HIMS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HK0625-USDT",
    "type": "perpetual",
    "base_coin": "HK0625",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-HK0625-USDT:USDT",
    "symbol": "HK0625",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HK0700-USDT",
    "type": "perpetual",
    "base_coin": "HK0700",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-22T00:00:00.000Z",
    "internal_id": "perpetual-HK0700-USDT:USDT",
    "symbol": "HK0700",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HK1810-USDT",
    "type": "perpetual",
    "base_coin": "HK1810",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-23T00:00:00.000Z",
    "internal_id": "perpetual-HK1810-USDT:USDT",
    "symbol": "HK1810",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HMSTR-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-26T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-HMSTR-USDT:USDT",
    "symbol": "HMSTR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HOLO-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-11T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-HOLO-USDT:USDT",
    "symbol": "HOLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HOME-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-10T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-HOME-USDT:USDT",
    "symbol": "HOME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HOODX-USDT",
    "type": "perpetual",
    "base_coin": "HOODX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-30T00:00:00.000Z",
    "internal_id": "perpetual-HOODX-USDT:USDT",
    "symbol": "HOODX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HPE-USDT",
    "type": "perpetual",
    "base_coin": "HPE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-HPE-USDT:USDT",
    "symbol": "HPE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HT-USDT",
    "type": "perpetual",
    "first_capture": "2022-05-12T00:00:00.000Z",
    "end_date": "2023-11-13T00:00:00.000Z",
    "internal_id": "perpetual-HT-USDT:USDT",
    "symbol": "HT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HUMA-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-26T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-HUMA-USDT:USDT",
    "symbol": "HUMA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HUT-USDT",
    "type": "perpetual",
    "base_coin": "HUT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-20T00:00:00.000Z",
    "internal_id": "perpetual-HUT-USDT:USDT",
    "symbol": "HUT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HYPE-USDT",
    "type": "perpetual",
    "base_coin": "HYPE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-02-20T00:00:00.000Z",
    "internal_id": "perpetual-HYPE-USDT:USDT",
    "symbol": "HYPE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HYPER-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-22T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-HYPER-USDT:USDT",
    "symbol": "HYPER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "HYUNDAI-USDT",
    "type": "perpetual",
    "base_coin": "HYUNDAI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-03T00:00:00.000Z",
    "internal_id": "perpetual-HYUNDAI-USDT:USDT",
    "symbol": "HYUNDAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IBIT-USDT",
    "type": "perpetual",
    "base_coin": "IBIT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-21T00:00:00.000Z",
    "internal_id": "perpetual-IBIT-USDT:USDT",
    "symbol": "IBIT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IBKR-USDT",
    "type": "perpetual",
    "base_coin": "IBKR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-21T00:00:00.000Z",
    "internal_id": "perpetual-IBKR-USDT:USDT",
    "symbol": "IBKR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IBM-USDT",
    "type": "perpetual",
    "base_coin": "IBM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-01T00:00:00.000Z",
    "internal_id": "perpetual-IBM-USDT:USDT",
    "symbol": "IBM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ICNT-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-03T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ICNT-USDT:USDT",
    "symbol": "ICNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ICP-USDT",
    "type": "perpetual",
    "base_coin": "ICP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-05-11T00:00:00.000Z",
    "internal_id": "perpetual-ICP-USDT:USDT",
    "symbol": "ICP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ID-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-08T00:00:00.000Z",
    "end_date": "2024-07-12T00:00:00.000Z",
    "internal_id": "perpetual-ID-USDT:USDT",
    "symbol": "ID",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IMX-USDT",
    "type": "perpetual",
    "first_capture": "2021-11-18T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-IMX-USDT:USDT",
    "symbol": "IMX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IN-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-08T00:00:00.000Z",
    "end_date": "2025-12-12T00:00:00.000Z",
    "internal_id": "perpetual-IN-USDT:USDT",
    "symbol": "IN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INFQ-USDT",
    "type": "perpetual",
    "base_coin": "INFQ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-28T00:00:00.000Z",
    "internal_id": "perpetual-INFQ-USDT:USDT",
    "symbol": "INFQ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INIT-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-24T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-INIT-USDT:USDT",
    "symbol": "INIT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INJ-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-09T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-INJ-USDT:USDT",
    "symbol": "INJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INTCX-USDT",
    "type": "perpetual",
    "base_coin": "INTCX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-31T00:00:00.000Z",
    "internal_id": "perpetual-INTCX-USDT:USDT",
    "symbol": "INTCX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INTU-USDT",
    "type": "perpetual",
    "base_coin": "INTU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-INTU-USDT:USDT",
    "symbol": "INTU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INTW-USDT",
    "type": "perpetual",
    "base_coin": "INTW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-15T00:00:00.000Z",
    "internal_id": "perpetual-INTW-USDT:USDT",
    "symbol": "INTW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "INX-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-02T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-INX-USDT:USDT",
    "symbol": "INX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IO-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-11T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-IO-USDT:USDT",
    "symbol": "IO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IONQ-USDT",
    "type": "perpetual",
    "base_coin": "IONQ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-20T00:00:00.000Z",
    "internal_id": "perpetual-IONQ-USDT:USDT",
    "symbol": "IONQ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IOST-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "internal_id": "perpetual-IOST-USDT:USDT",
    "symbol": "IOST",
    "denominator": "USDT",
    "margin": "USDT",
    "base_coin": "IOST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000.0,
    "quantity_unit": "base",
    "underlying": "crypto"
  },
  {
    "id": "IOTA-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-13T00:00:00.000Z",
    "end_date": "2024-08-27T00:00:00.000Z",
    "internal_id": "perpetual-IOTA-USDT:USDT",
    "symbol": "IOTA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IOTX-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-13T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-IOTX-USDT:USDT",
    "symbol": "IOTX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IP-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-13T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-IP-USDT:USDT",
    "symbol": "IP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IREN-USDT",
    "type": "perpetual",
    "base_coin": "IREN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-04T00:00:00.000Z",
    "internal_id": "perpetual-IREN-USDT:USDT",
    "symbol": "IREN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IRYS-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-27T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-IRYS-USDT:USDT",
    "symbol": "IRYS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ISRG-USDT",
    "type": "perpetual",
    "base_coin": "ISRG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-27T00:00:00.000Z",
    "internal_id": "perpetual-ISRG-USDT:USDT",
    "symbol": "ISRG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "IWM-USDT",
    "type": "perpetual",
    "base_coin": "IWM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-IWM-USDT:USDT",
    "symbol": "IWM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "J-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-22T00:00:00.000Z",
    "end_date": "2025-05-08T00:00:00.000Z",
    "internal_id": "perpetual-J-USDT:USDT",
    "symbol": "J",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JASMY-USDT",
    "type": "perpetual",
    "first_capture": "2022-03-23T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-JASMY-USDT:USDT",
    "symbol": "JASMY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JCT-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-11T00:00:00.000Z",
    "internal_id": "perpetual-JCT-USDT:USDT",
    "symbol": "JCT",
    "denominator": "USDT",
    "margin": "USDT",
    "base_coin": "JCT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto"
  },
  {
    "id": "JD-USDT",
    "type": "perpetual",
    "base_coin": "JD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-01T00:00:00.000Z",
    "internal_id": "perpetual-JD-USDT:USDT",
    "symbol": "JD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JELLYJELLY-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-27T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-JELLYJELLY-USDT:USDT",
    "symbol": "JELLYJELLY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JIO-USDT",
    "type": "perpetual",
    "base_coin": "JIO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-29T00:00:00.000Z",
    "internal_id": "perpetual-JIO-USDT:USDT",
    "symbol": "JIO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JNJ-USDT",
    "type": "perpetual",
    "base_coin": "JNJ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-10T00:00:00.000Z",
    "internal_id": "perpetual-JNJ-USDT:USDT",
    "symbol": "JNJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JP225-USDT",
    "type": "perpetual",
    "base_coin": "JP225",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.0001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-25T00:00:00.000Z",
    "internal_id": "perpetual-JP225-USDT:USDT",
    "symbol": "JP225",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JPM-USDT",
    "type": "perpetual",
    "base_coin": "JPM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-19T00:00:00.000Z",
    "internal_id": "perpetual-JPM-USDT:USDT",
    "symbol": "JPM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JST-USDT",
    "type": "perpetual",
    "base_coin": "JST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2022-01-19T00:00:00.000Z",
    "internal_id": "perpetual-JST-USDT:USDT",
    "symbol": "JST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JTO-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-08T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-JTO-USDT:USDT",
    "symbol": "JTO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "JUP-USDT",
    "type": "perpetual",
    "base_coin": "JUP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-02-01T00:00:00.000Z",
    "internal_id": "perpetual-JUP-USDT:USDT",
    "symbol": "JUP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KAITO-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-20T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-KAITO-USDT:USDT",
    "symbol": "KAITO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KAS-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-27T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-KAS-USDT:USDT",
    "symbol": "KAS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KAT-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-18T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-KAT-USDT:USDT",
    "symbol": "KAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KAVA-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-26T00:00:00.000Z",
    "end_date": "2025-08-02T00:00:00.000Z",
    "internal_id": "perpetual-KAVA-USDT:USDT",
    "symbol": "KAVA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KERNEL-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-14T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-KERNEL-USDT:USDT",
    "symbol": "KERNEL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KGEN-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-11T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-KGEN-USDT:USDT",
    "symbol": "KGEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KIOXIA-USDT",
    "type": "perpetual",
    "base_coin": "KIOXIA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-02T00:00:00.000Z",
    "internal_id": "perpetual-KIOXIA-USDT:USDT",
    "symbol": "KIOXIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KITE-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-03T00:00:00.000Z",
    "end_date": "2026-02-13T00:00:00.000Z",
    "internal_id": "perpetual-KITE-USDT:USDT",
    "symbol": "KITE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KLAC-USDT",
    "type": "perpetual",
    "base_coin": "KLAC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-23T00:00:00.000Z",
    "internal_id": "perpetual-KLAC-USDT:USDT",
    "symbol": "KLAC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KMNO-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-16T00:00:00.000Z",
    "end_date": "2025-09-02T00:00:00.000Z",
    "internal_id": "perpetual-KMNO-USDT:USDT",
    "symbol": "KMNO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KNC-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-KNC-USDT:USDT",
    "symbol": "KNC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KO-USDT",
    "type": "perpetual",
    "base_coin": "KO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-07T00:00:00.000Z",
    "internal_id": "perpetual-KO-USDT:USDT",
    "symbol": "KO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KODEX200-USDT",
    "type": "perpetual",
    "base_coin": "KODEX200",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-KODEX200-USDT:USDT",
    "symbol": "KODEX200",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KOMA-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-11T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-KOMA-USDT:USDT",
    "symbol": "KOMA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KORU-USDT",
    "type": "perpetual",
    "base_coin": "KORU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-24T00:00:00.000Z",
    "internal_id": "perpetual-KORU-USDT:USDT",
    "symbol": "KORU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KR200-USDT",
    "type": "perpetual",
    "base_coin": "KR200",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-KR200-USDT:USDT",
    "symbol": "KR200",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KSM-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-16T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-KSM-USDT:USDT",
    "symbol": "KSM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KSTR-USDT",
    "type": "perpetual",
    "base_coin": "KSTR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-07T00:00:00.000Z",
    "internal_id": "perpetual-KSTR-USDT:USDT",
    "symbol": "KSTR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "KUAISHOU-USDT",
    "type": "perpetual",
    "base_coin": "KUAISHOU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-KUAISHOU-USDT:USDT",
    "symbol": "KUAISHOU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LA-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-05T00:00:00.000Z",
    "end_date": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-LA-USDT:USDT",
    "symbol": "LA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LAB-USDT",
    "type": "perpetual",
    "base_coin": "LAB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-10-31T00:00:00.000Z",
    "internal_id": "perpetual-LAB-USDT:USDT",
    "symbol": "LAB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LADYS-USDT",
    "type": "perpetual",
    "first_capture": "2023-05-11T00:00:00.000Z",
    "end_date": "2025-08-02T00:00:00.000Z",
    "internal_id": "perpetual-LADYS-USDT:USDT",
    "symbol": "LADYS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LAT-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-18T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-LAT-USDT:USDT",
    "symbol": "LAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LAYER-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-11T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-LAYER-USDT:USDT",
    "symbol": "LAYER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LDO-USDT",
    "type": "perpetual",
    "first_capture": "2023-02-16T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-LDO-USDT:USDT",
    "symbol": "LDO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LGELECTRONICS-USDT",
    "type": "perpetual",
    "base_coin": "LGELECTRONICS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-LGELECTRONICS-USDT:USDT",
    "symbol": "LGELECTRONICS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LIGHT-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-29T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-LIGHT-USDT:USDT",
    "symbol": "LIGHT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LIN-USDT",
    "type": "perpetual",
    "base_coin": "LIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-22T00:00:00.000Z",
    "internal_id": "perpetual-LIN-USDT:USDT",
    "symbol": "LIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LINA-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-01T00:00:00.000Z",
    "end_date": "2025-04-12T00:00:00.000Z",
    "internal_id": "perpetual-LINA-USDT:USDT",
    "symbol": "LINA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LINEA-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-11T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-LINEA-USDT:USDT",
    "symbol": "LINEA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LINK-USDT",
    "type": "perpetual",
    "base_coin": "LINK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-LINK-USDT:USDT",
    "symbol": "LINK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LISTA-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-20T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-LISTA-USDT:USDT",
    "symbol": "LISTA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LIT-USDT",
    "type": "perpetual",
    "base_coin": "LIT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-12-30T00:00:00.000Z",
    "internal_id": "perpetual-LIT-USDT:USDT",
    "symbol": "LIT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LITE-USDT",
    "type": "perpetual",
    "base_coin": "LITE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-11T00:00:00.000Z",
    "internal_id": "perpetual-LITE-USDT:USDT",
    "symbol": "LITE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LLY-USDT",
    "type": "perpetual",
    "base_coin": "LLY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-20T00:00:00.000Z",
    "internal_id": "perpetual-LLY-USDT:USDT",
    "symbol": "LLY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LMT-USDT",
    "type": "perpetual",
    "base_coin": "LMT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-04T00:00:00.000Z",
    "internal_id": "perpetual-LMT-USDT:USDT",
    "symbol": "LMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LOOKS-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-19T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-LOOKS-USDT:USDT",
    "symbol": "LOOKS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LOOM-USDT",
    "type": "perpetual",
    "first_capture": "2023-10-13T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-LOOM-USDT:USDT",
    "symbol": "LOOM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LPT-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-13T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-LPT-USDT:USDT",
    "symbol": "LPT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LRC-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-13T00:00:00.000Z",
    "end_date": "2025-04-11T00:00:00.000Z",
    "internal_id": "perpetual-LRC-USDT:USDT",
    "symbol": "LRC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LRCX-USDT",
    "type": "perpetual",
    "base_coin": "LRCX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-23T00:00:00.000Z",
    "internal_id": "perpetual-LRCX-USDT:USDT",
    "symbol": "LRCX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LRDS-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-23T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-LRDS-USDT:USDT",
    "symbol": "LRDS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LSK-USDT",
    "type": "perpetual",
    "base_coin": "LSK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-13T00:00:00.000Z",
    "internal_id": "perpetual-LSK-USDT:USDT",
    "symbol": "LSK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LTC-USDT",
    "type": "perpetual",
    "base_coin": "LTC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-12T00:00:00.000Z",
    "internal_id": "perpetual-LTC-USDT:USDT",
    "symbol": "LTC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LULU-USDT",
    "type": "perpetual",
    "base_coin": "LULU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-19T15:16:12.449630Z",
    "internal_id": "perpetual-LULU-USDT:USDT",
    "symbol": "LULU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LUNA-USDT",
    "type": "perpetual",
    "first_capture": "2021-02-23T00:00:00.000Z",
    "end_date": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-LUNA-USDT:USDT",
    "symbol": "LUNA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LUNC-USDT",
    "type": "perpetual",
    "first_capture": "2022-06-01T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-LUNC-USDT:USDT",
    "symbol": "LUNC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LUNR-USDT",
    "type": "perpetual",
    "base_coin": "LUNR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-27T00:00:00.000Z",
    "internal_id": "perpetual-LUNR-USDT:USDT",
    "symbol": "LUNR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "LYTE-USDT",
    "type": "perpetual",
    "base_coin": "LYTE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-17T00:00:00.000Z",
    "internal_id": "perpetual-LYTE-USDT:USDT",
    "symbol": "LYTE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "M-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-08T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-M-USDT:USDT",
    "symbol": "M",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MAGIC-USDT",
    "type": "perpetual",
    "base_coin": "MAGIC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-04-22T00:00:00.000Z",
    "internal_id": "perpetual-MAGIC-USDT:USDT",
    "symbol": "MAGIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MANA-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-MANA-USDT:USDT",
    "symbol": "MANA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MANTA-USDT",
    "type": "perpetual",
    "first_capture": "2024-01-19T00:00:00.000Z",
    "end_date": "2024-08-06T00:00:00.000Z",
    "internal_id": "perpetual-MANTA-USDT:USDT",
    "symbol": "MANTA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MAR-USDT",
    "type": "perpetual",
    "base_coin": "MAR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-09T00:00:00.000Z",
    "internal_id": "perpetual-MAR-USDT:USDT",
    "symbol": "MAR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MARA-USDT",
    "type": "perpetual",
    "base_coin": "MARA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-28T00:00:00.000Z",
    "internal_id": "perpetual-MARA-USDT:USDT",
    "symbol": "MARA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MARSCOIN-USDT",
    "type": "perpetual",
    "base_coin": "MARSCOIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-01T00:00:00.000Z",
    "internal_id": "perpetual-MARSCOIN-USDT:USDT",
    "symbol": "MARSCOIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MASK-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-09T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-MASK-USDT:USDT",
    "symbol": "MASK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MASS-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-MASS-USDT:USDT",
    "symbol": "MASS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MATIC-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-13T00:00:00.000Z",
    "end_date": "2024-09-06T00:00:00.000Z",
    "internal_id": "perpetual-MATIC-USDT:USDT",
    "symbol": "MATIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MAVIA-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-12T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-MAVIA-USDT:USDT",
    "symbol": "MAVIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MAX-USDT",
    "type": "perpetual",
    "first_capture": "2024-08-07T00:00:00.000Z",
    "end_date": "2024-11-16T00:00:00.000Z",
    "internal_id": "perpetual-MAX-USDT:USDT",
    "symbol": "MAX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MCD-USDT",
    "type": "perpetual",
    "base_coin": "MCD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-06T00:00:00.000Z",
    "internal_id": "perpetual-MCD-USDT:USDT",
    "symbol": "MCD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MDB-USDT",
    "type": "perpetual",
    "base_coin": "MDB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-MDB-USDT:USDT",
    "symbol": "MDB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MDT-USDT",
    "type": "perpetual",
    "base_coin": "MDT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-21T00:00:00.000Z",
    "internal_id": "perpetual-MDT-USDT:USDT",
    "symbol": "MDT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MDX-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-01T00:00:00.000Z",
    "end_date": "2022-12-23T00:00:00.000Z",
    "internal_id": "perpetual-MDX-USDT:USDT",
    "symbol": "MDX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ME-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-11T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ME-USDT:USDT",
    "symbol": "ME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MEGA-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-30T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-MEGA-USDT:USDT",
    "symbol": "MEGA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MEITUAN-USDT",
    "type": "perpetual",
    "base_coin": "MEITUAN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-MEITUAN-USDT:USDT",
    "symbol": "MEITUAN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MELANIA-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-20T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-MELANIA-USDT:USDT",
    "symbol": "MELANIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MELI-USDT",
    "type": "perpetual",
    "base_coin": "MELI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-MELI-USDT:USDT",
    "symbol": "MELI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MEME-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-04T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-MEME-USDT:USDT",
    "symbol": "MEME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MEMEFI-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-27T00:00:00.000Z",
    "end_date": "2025-12-12T00:00:00.000Z",
    "internal_id": "perpetual-MEMEFI-USDT:USDT",
    "symbol": "MEMEFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MERL-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-19T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-MERL-USDT:USDT",
    "symbol": "MERL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MET-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-24T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-MET-USDT:USDT",
    "symbol": "MET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "META-USDT",
    "type": "perpetual",
    "base_coin": "META",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-20T00:00:00.000Z",
    "internal_id": "perpetual-META-USDT:USDT",
    "symbol": "META",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "METIS-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-27T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-METIS-USDT:USDT",
    "symbol": "METIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MEW-USDT",
    "type": "perpetual",
    "first_capture": "2024-07-02T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-MEW-USDT:USDT",
    "symbol": "MEW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MINA-USDT",
    "type": "perpetual",
    "first_capture": "2021-11-18T00:00:00.000Z",
    "end_date": "2025-04-25T00:00:00.000Z",
    "internal_id": "perpetual-MINA-USDT:USDT",
    "symbol": "MINA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MINIMAX-USDT",
    "type": "perpetual",
    "base_coin": "MINIMAX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-22T00:00:00.000Z",
    "internal_id": "perpetual-MINIMAX-USDT:USDT",
    "symbol": "MINIMAX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MIR-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-24T00:00:00.000Z",
    "end_date": "2022-05-14T00:00:00.000Z",
    "internal_id": "perpetual-MIR-USDT:USDT",
    "symbol": "MIR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MIRA-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-26T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-MIRA-USDT:USDT",
    "symbol": "MIRA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MITO-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-01T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-MITO-USDT:USDT",
    "symbol": "MITO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MKR-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-MKR-USDT:USDT",
    "symbol": "MKR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MLN-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-21T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-MLN-USDT:USDT",
    "symbol": "MLN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MMT-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-05T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-MMT-USDT:USDT",
    "symbol": "MMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MO-USDT",
    "type": "perpetual",
    "base_coin": "MO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-02T00:00:00.000Z",
    "internal_id": "perpetual-MO-USDT:USDT",
    "symbol": "MO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MOCA-USDT",
    "type": "perpetual",
    "first_capture": "2024-07-16T00:00:00.000Z",
    "end_date": "2024-11-16T00:00:00.000Z",
    "internal_id": "perpetual-MOCA-USDT:USDT",
    "symbol": "MOCA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MONAD-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-25T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-MONAD-USDT:USDT",
    "symbol": "MONAD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MOODENG-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-11T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-MOODENG-USDT:USDT",
    "symbol": "MOODENG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MOONSHOT-USDT",
    "type": "perpetual",
    "base_coin": "MOONSHOT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-22T00:00:00.000Z",
    "internal_id": "perpetual-MOONSHOT-USDT:USDT",
    "symbol": "MOONSHOT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MOVE-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-10T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-MOVE-USDT:USDT",
    "symbol": "MOVE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MP-USDT",
    "type": "perpetual",
    "base_coin": "MP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-29T00:00:00.000Z",
    "internal_id": "perpetual-MP-USDT:USDT",
    "symbol": "MP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MPLX-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-MPLX-USDT:USDT",
    "symbol": "MPLX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MPWR-USDT",
    "type": "perpetual",
    "base_coin": "MPWR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-02T00:00:00.000Z",
    "internal_id": "perpetual-MPWR-USDT:USDT",
    "symbol": "MPWR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MRK-USDT",
    "type": "perpetual",
    "base_coin": "MRK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-26T00:00:00.000Z",
    "internal_id": "perpetual-MRK-USDT:USDT",
    "symbol": "MRK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MRNA-USDT",
    "type": "perpetual",
    "base_coin": "MRNA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-20T00:00:00.000Z",
    "internal_id": "perpetual-MRNA-USDT:USDT",
    "symbol": "MRNA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MRVL-USDT",
    "type": "perpetual",
    "base_coin": "MRVL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-15T00:00:00.000Z",
    "internal_id": "perpetual-MRVL-USDT:USDT",
    "symbol": "MRVL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MSCI-USDT",
    "type": "perpetual",
    "base_coin": "MSCI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-03T00:00:00.000Z",
    "internal_id": "perpetual-MSCI-USDT:USDT",
    "symbol": "MSCI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MSFT-USDT",
    "type": "perpetual",
    "base_coin": "MSFT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-21T00:00:00.000Z",
    "internal_id": "perpetual-MSFT-USDT:USDT",
    "symbol": "MSFT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MSFU-USDT",
    "type": "perpetual",
    "base_coin": "MSFU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-17T00:00:00.000Z",
    "internal_id": "perpetual-MSFU-USDT:USDT",
    "symbol": "MSFU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MSTRX-USDT",
    "type": "perpetual",
    "base_coin": "MSTRX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-30T00:00:00.000Z",
    "internal_id": "perpetual-MSTRX-USDT:USDT",
    "symbol": "MSTRX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MSTU-USDT",
    "type": "perpetual",
    "base_coin": "MSTU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-29T00:00:00.000Z",
    "internal_id": "perpetual-MSTU-USDT:USDT",
    "symbol": "MSTU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MTL-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-27T00:00:00.000Z",
    "end_date": "2024-09-27T00:00:00.000Z",
    "internal_id": "perpetual-MTL-USDT:USDT",
    "symbol": "MTL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MU-USDT",
    "type": "perpetual",
    "base_coin": "MU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-MU-USDT:USDT",
    "symbol": "MU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MUBARAK-USDT",
    "type": "perpetual",
    "base_coin": "MUBARAK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-03-18T00:00:00.000Z",
    "internal_id": "perpetual-MUBARAK-USDT:USDT",
    "symbol": "MUBARAK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MUU-USDT",
    "type": "perpetual",
    "base_coin": "MUU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-17T00:00:00.000Z",
    "internal_id": "perpetual-MUU-USDT:USDT",
    "symbol": "MUU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MVLL-USDT",
    "type": "perpetual",
    "base_coin": "MVLL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-01T00:00:00.000Z",
    "internal_id": "perpetual-MVLL-USDT:USDT",
    "symbol": "MVLL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MYRO-USDT",
    "type": "perpetual",
    "first_capture": "2024-03-06T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-MYRO-USDT:USDT",
    "symbol": "MYRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "MYX-USDT",
    "type": "perpetual",
    "base_coin": "MYX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-06-24T00:00:00.000Z",
    "internal_id": "perpetual-MYX-USDT:USDT",
    "symbol": "MYX",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-30T08:00:00.000Z"
  },
  {
    "id": "NAORIS-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-01T00:00:00.000Z",
    "end_date": "2025-12-12T00:00:00.000Z",
    "internal_id": "perpetual-NAORIS-USDT:USDT",
    "symbol": "NAORIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NASDAQ100-USDT",
    "type": "perpetual",
    "base_coin": "NASDAQ100",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.0001,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-03-19T00:00:00.000Z",
    "internal_id": "perpetual-NASDAQ100-USDT:USDT",
    "symbol": "NASDAQ100",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NATGAS-USDT",
    "type": "perpetual",
    "base_coin": "NATGAS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-03-13T00:00:00.000Z",
    "internal_id": "perpetual-NATGAS-USDT:USDT",
    "symbol": "NATGAS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NAVER-USDT",
    "type": "perpetual",
    "base_coin": "NAVER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-NAVER-USDT:USDT",
    "symbol": "NAVER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NBIS-USDT",
    "type": "perpetual",
    "base_coin": "NBIS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-26T00:00:00.000Z",
    "internal_id": "perpetual-NBIS-USDT:USDT",
    "symbol": "NBIS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEAR-USDT",
    "type": "perpetual",
    "base_coin": "NEAR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "internal_id": "perpetual-NEAR-USDT:USDT",
    "symbol": "NEAR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEIRO-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-07T00:00:00.000Z",
    "end_date": "2024-10-11T00:00:00.000Z",
    "internal_id": "perpetual-NEIRO-USDT:USDT",
    "symbol": "NEIRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEIROCTO-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-17T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-NEIROCTO-USDT:USDT",
    "symbol": "NEIROCTO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEIROETH-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-07T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-NEIROETH-USDT:USDT",
    "symbol": "NEIROETH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEO-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-NEO-USDT:USDT",
    "symbol": "NEO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NES-USDT",
    "type": "perpetual",
    "first_capture": "2026-07-06T00:00:00.000Z",
    "end_date": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-NES-USDT:USDT",
    "symbol": "NES",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NET-USDT",
    "type": "perpetual",
    "base_coin": "NET",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-17T00:00:00.000Z",
    "internal_id": "perpetual-NET-USDT:USDT",
    "symbol": "NET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NEWT-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-25T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-NEWT-USDT:USDT",
    "symbol": "NEWT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NFLX-USDT",
    "type": "perpetual",
    "base_coin": "NFLX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-20T00:00:00.000Z",
    "internal_id": "perpetual-NFLX-USDT:USDT",
    "symbol": "NFLX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NFT-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-13T00:00:00.000Z",
    "end_date": "2022-07-27T00:00:00.000Z",
    "internal_id": "perpetual-NFT-USDT:USDT",
    "symbol": "NFT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NIGHT-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-11T00:00:00.000Z",
    "end_date": "2026-03-20T00:00:00.000Z",
    "internal_id": "perpetual-NIGHT-USDT:USDT",
    "symbol": "NIGHT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NIL-USDT",
    "type": "perpetual",
    "base_coin": "NIL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-03-24T00:00:00.000Z",
    "internal_id": "perpetual-NIL-USDT:USDT",
    "symbol": "NIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NKE-USDT",
    "type": "perpetual",
    "base_coin": "NKE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-14T00:00:00.000Z",
    "internal_id": "perpetual-NKE-USDT:USDT",
    "symbol": "NKE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NKN-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-10T00:00:00.000Z",
    "end_date": "2022-12-23T00:00:00.000Z",
    "internal_id": "perpetual-NKN-USDT:USDT",
    "symbol": "NKN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NMR-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-28T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-NMR-USDT:USDT",
    "symbol": "NMR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NOC-USDT",
    "type": "perpetual",
    "base_coin": "NOC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-04T00:00:00.000Z",
    "internal_id": "perpetual-NOC-USDT:USDT",
    "symbol": "NOC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NOK-USDT",
    "type": "perpetual",
    "base_coin": "NOK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-02T00:00:00.000Z",
    "internal_id": "perpetual-NOK-USDT:USDT",
    "symbol": "NOK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NOT-USDT",
    "type": "perpetual",
    "first_capture": "2024-05-16T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-NOT-USDT:USDT",
    "symbol": "NOT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NOW-USDT",
    "type": "perpetual",
    "base_coin": "NOW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-09T00:00:00.000Z",
    "internal_id": "perpetual-NOW-USDT:USDT",
    "symbol": "NOW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NU-USDT",
    "type": "perpetual",
    "base_coin": "NU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-02T00:00:00.000Z",
    "internal_id": "perpetual-NU-USDT:USDT",
    "symbol": "NU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NVDA-USDT",
    "type": "perpetual",
    "base_coin": "NVDA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-16T00:00:00.000Z",
    "internal_id": "perpetual-NVDA-USDT:USDT",
    "symbol": "NVDA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NVDL-USDT",
    "type": "perpetual",
    "base_coin": "NVDL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-22T00:00:00.000Z",
    "internal_id": "perpetual-NVDL-USDT:USDT",
    "symbol": "NVDL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NVO-USDT",
    "type": "perpetual",
    "base_coin": "NVO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-03T00:00:00.000Z",
    "internal_id": "perpetual-NVO-USDT:USDT",
    "symbol": "NVO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NXPC-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-15T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-NXPC-USDT:USDT",
    "symbol": "NXPC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "NYM-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-15T00:00:00.000Z",
    "end_date": "2022-09-28T00:00:00.000Z",
    "internal_id": "perpetual-NYM-USDT:USDT",
    "symbol": "NYM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "O-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-25T00:00:00.000Z",
    "end_date": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-O-USDT:USDT",
    "symbol": "O",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "O3-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-18T00:00:00.000Z",
    "end_date": "2022-07-27T00:00:00.000Z",
    "internal_id": "perpetual-O3-USDT:USDT",
    "symbol": "O3",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OBOL-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-07T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-OBOL-USDT:USDT",
    "symbol": "OBOL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OG-USDT",
    "type": "perpetual",
    "first_capture": "2023-04-10T00:00:00.000Z",
    "end_date": "2023-08-25T00:00:00.000Z",
    "internal_id": "perpetual-OG-USDT:USDT",
    "symbol": "OG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OGN-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-09T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-OGN-USDT:USDT",
    "symbol": "OGN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OKB-USDT",
    "type": "perpetual",
    "base_coin": "OKB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-09-14T00:00:00.000Z",
    "internal_id": "perpetual-OKB-USDT:USDT",
    "symbol": "OKB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OKLO-USDT",
    "type": "perpetual",
    "base_coin": "OKLO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-28T00:00:00.000Z",
    "internal_id": "perpetual-OKLO-USDT:USDT",
    "symbol": "OKLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OKTA-USDT",
    "type": "perpetual",
    "base_coin": "OKTA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-02T00:00:00.000Z",
    "internal_id": "perpetual-OKTA-USDT:USDT",
    "symbol": "OKTA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OL-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-30T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-OL-USDT:USDT",
    "symbol": "OL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OM-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-19T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-OM-USDT:USDT",
    "symbol": "OM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OMG-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-16T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-OMG-USDT:USDT",
    "symbol": "OMG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OMNI-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-17T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-OMNI-USDT:USDT",
    "symbol": "OMNI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ONDO-USDT",
    "type": "perpetual",
    "base_coin": "ONDO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-01-22T00:00:00.000Z",
    "internal_id": "perpetual-ONDO-USDT:USDT",
    "symbol": "ONDO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ONDS-USDT",
    "type": "perpetual",
    "base_coin": "ONDS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-04T00:00:00.000Z",
    "internal_id": "perpetual-ONDS-USDT:USDT",
    "symbol": "ONDS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ONE-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-19T00:00:00.000Z",
    "end_date": "2024-09-27T00:00:00.000Z",
    "internal_id": "perpetual-ONE-USDT:USDT",
    "symbol": "ONE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ONG-USDT",
    "type": "perpetual",
    "base_coin": "ONG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-27T00:00:00.000Z",
    "internal_id": "perpetual-ONG-USDT:USDT",
    "symbol": "ONG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ONT-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ONT-USDT:USDT",
    "symbol": "ONT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OP-USDT",
    "type": "perpetual",
    "base_coin": "OP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2022-05-31T00:00:00.000Z",
    "internal_id": "perpetual-OP-USDT:USDT",
    "symbol": "OP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OPEN-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-09T00:00:00.000Z",
    "end_date": "2026-02-13T00:00:00.000Z",
    "internal_id": "perpetual-OPEN-USDT:USDT",
    "symbol": "OPEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OPENAI-USDT",
    "type": "perpetual",
    "base_coin": "OPENAI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-08T00:00:00.000Z",
    "internal_id": "perpetual-OPENAI-USDT:USDT",
    "symbol": "OPENAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OPG-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-23T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-OPG-USDT:USDT",
    "symbol": "OPG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OPN-USDT",
    "type": "perpetual",
    "first_capture": "2026-03-05T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-OPN-USDT:USDT",
    "symbol": "OPN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OPUL-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-OPUL-USDT:USDT",
    "symbol": "OPUL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ORCA-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-27T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-ORCA-USDT:USDT",
    "symbol": "ORCA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ORCL-USDT",
    "type": "perpetual",
    "base_coin": "ORCL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-12T00:00:00.000Z",
    "internal_id": "perpetual-ORCL-USDT:USDT",
    "symbol": "ORCL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ORDER-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-05T00:00:00.000Z",
    "end_date": "2025-01-10T00:00:00.000Z",
    "internal_id": "perpetual-ORDER-USDT:USDT",
    "symbol": "ORDER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ORDI-USDT",
    "type": "perpetual",
    "base_coin": "ORDI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-05-20T00:00:00.000Z",
    "internal_id": "perpetual-ORDI-USDT:USDT",
    "symbol": "ORDI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OURA-USDT",
    "type": "perpetual",
    "base_coin": "OURA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-23T00:00:00.000Z",
    "internal_id": "perpetual-OURA-USDT:USDT",
    "symbol": "OURA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OUST-USDT",
    "type": "perpetual",
    "base_coin": "OUST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-18T00:00:00.000Z",
    "internal_id": "perpetual-OUST-USDT:USDT",
    "symbol": "OUST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "OXY-USDT",
    "type": "perpetual",
    "base_coin": "OXY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-02T00:00:00.000Z",
    "internal_id": "perpetual-OXY-USDT:USDT",
    "symbol": "OXY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PANW-USDT",
    "type": "perpetual",
    "base_coin": "PANW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-16T00:00:00.000Z",
    "internal_id": "perpetual-PANW-USDT:USDT",
    "symbol": "PANW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PARTI-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-25T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-PARTI-USDT:USDT",
    "symbol": "PARTI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PATH-USDT",
    "type": "perpetual",
    "base_coin": "PATH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-20T00:00:00.000Z",
    "internal_id": "perpetual-PATH-USDT:USDT",
    "symbol": "PATH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PAXG-USDT",
    "type": "perpetual",
    "base_coin": "PAXG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-01-22T00:00:00.000Z",
    "internal_id": "perpetual-PAXG-USDT:USDT",
    "symbol": "PAXG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PAYP-USDT",
    "type": "perpetual",
    "base_coin": "PAYP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-13T00:00:00.000Z",
    "internal_id": "perpetual-PAYP-USDT:USDT",
    "symbol": "PAYP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PDD-USDT",
    "type": "perpetual",
    "base_coin": "PDD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-24T00:00:00.000Z",
    "internal_id": "perpetual-PDD-USDT:USDT",
    "symbol": "PDD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PENDLE-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-27T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-PENDLE-USDT:USDT",
    "symbol": "PENDLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PENG-USDT",
    "type": "perpetual",
    "base_coin": "PENG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-22T00:00:00.000Z",
    "internal_id": "perpetual-PENG-USDT:USDT",
    "symbol": "PENG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PENGU-USDT",
    "type": "perpetual",
    "base_coin": "PENGU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-12-18T00:00:00.000Z",
    "internal_id": "perpetual-PENGU-USDT:USDT",
    "symbol": "PENGU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PEOPLE-USDT",
    "type": "perpetual",
    "base_coin": "PEOPLE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2022-01-06T00:00:00.000Z",
    "internal_id": "perpetual-PEOPLE-USDT:USDT",
    "symbol": "PEOPLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PEP-USDT",
    "type": "perpetual",
    "base_coin": "PEP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-02T00:00:00.000Z",
    "internal_id": "perpetual-PEP-USDT:USDT",
    "symbol": "PEP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PEPE-USDT",
    "type": "perpetual",
    "base_coin": "PEPE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-04-26T00:00:00.000Z",
    "internal_id": "perpetual-PEPE-USDT:USDT",
    "symbol": "PEPE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PERP-USDT",
    "type": "perpetual",
    "first_capture": "2023-09-08T00:00:00.000Z",
    "end_date": "2023-11-13T00:00:00.000Z",
    "internal_id": "perpetual-PERP-USDT:USDT",
    "symbol": "PERP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PFE-USDT",
    "type": "perpetual",
    "base_coin": "PFE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-30T00:00:00.000Z",
    "internal_id": "perpetual-PFE-USDT:USDT",
    "symbol": "PFE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PG-USDT",
    "type": "perpetual",
    "base_coin": "PG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-26T00:00:00.000Z",
    "internal_id": "perpetual-PG-USDT:USDT",
    "symbol": "PG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PHA-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-04T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-PHA-USDT:USDT",
    "symbol": "PHA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PI-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-20T00:00:00.000Z",
    "end_date": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-PI-USDT:USDT",
    "symbol": "PI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PIEVERSE-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-17T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-PIEVERSE-USDT:USDT",
    "symbol": "PIEVERSE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PIGGY-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-30T00:00:00.000Z",
    "end_date": "2025-12-19T00:00:00.000Z",
    "internal_id": "perpetual-PIGGY-USDT:USDT",
    "symbol": "PIGGY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PIPPIN-USDT",
    "type": "perpetual",
    "base_coin": "PIPPIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-01-24T00:00:00.000Z",
    "internal_id": "perpetual-PIPPIN-USDT:USDT",
    "symbol": "PIPPIN",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "PIXEL-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-19T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-PIXEL-USDT:USDT",
    "symbol": "PIXEL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PLTRX-USDT",
    "type": "perpetual",
    "base_coin": "PLTRX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-03-31T00:00:00.000Z",
    "internal_id": "perpetual-PLTRX-USDT:USDT",
    "symbol": "PLTRX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PLUME-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-23T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-PLUME-USDT:USDT",
    "symbol": "PLUME",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PNUT-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-13T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-PNUT-USDT:USDT",
    "symbol": "PNUT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POL-USDT",
    "type": "perpetual",
    "first_capture": "2024-09-12T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-POL-USDT:USDT",
    "symbol": "POL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POLYMARKET-USDT",
    "type": "perpetual",
    "base_coin": "POLYMARKET",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-24T00:00:00.000Z",
    "internal_id": "perpetual-POLYMARKET-USDT:USDT",
    "symbol": "POLYMARKET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POLYX-USDT",
    "type": "perpetual",
    "first_capture": "2023-10-25T00:00:00.000Z",
    "end_date": "2024-10-11T00:00:00.000Z",
    "internal_id": "perpetual-POLYX-USDT:USDT",
    "symbol": "POLYX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PONS-USDT",
    "type": "perpetual",
    "base_coin": "PONS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-31T00:00:00.000Z",
    "internal_id": "perpetual-PONS-USDT:USDT",
    "symbol": "PONS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POPCAT-USDT",
    "type": "perpetual",
    "first_capture": "2024-08-23T00:00:00.000Z",
    "end_date": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-POPCAT-USDT:USDT",
    "symbol": "POPCAT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POPMART-USDT",
    "type": "perpetual",
    "base_coin": "POPMART",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-23T00:00:00.000Z",
    "internal_id": "perpetual-POPMART-USDT:USDT",
    "symbol": "POPMART",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PORTAL-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-29T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-PORTAL-USDT:USDT",
    "symbol": "PORTAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "POWER-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-08T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-POWER-USDT:USDT",
    "symbol": "POWER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PREDICT-USDT",
    "type": "perpetual",
    "base_coin": "PREDICT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-29T00:00:00.000Z",
    "internal_id": "perpetual-PREDICT-USDT:USDT",
    "symbol": "PREDICT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PRL-USDT",
    "type": "perpetual",
    "first_capture": "2026-04-02T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-PRL-USDT:USDT",
    "symbol": "PRL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PROMPT-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-11T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-PROMPT-USDT:USDT",
    "symbol": "PROMPT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PROVE-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-06T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-PROVE-USDT:USDT",
    "symbol": "PROVE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PTB-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-04T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-PTB-USDT:USDT",
    "symbol": "PTB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PUFFER-USDT",
    "type": "perpetual",
    "first_capture": "2024-10-15T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-PUFFER-USDT:USDT",
    "symbol": "PUFFER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PUMP-USDT",
    "type": "perpetual",
    "base_coin": "PUMP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-07-15T00:00:00.000Z",
    "internal_id": "perpetual-PUMP-USDT:USDT",
    "symbol": "PUMP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PURR-USDT",
    "type": "perpetual",
    "base_coin": "PURR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-21T00:00:00.000Z",
    "internal_id": "perpetual-PURR-USDT:USDT",
    "symbol": "PURR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PYPL-USDT",
    "type": "perpetual",
    "base_coin": "PYPL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-31T00:00:00.000Z",
    "internal_id": "perpetual-PYPL-USDT:USDT",
    "symbol": "PYPL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "PYTH-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-21T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-PYTH-USDT:USDT",
    "symbol": "PYTH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "Q-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-03T00:00:00.000Z",
    "internal_id": "perpetual-Q-USDT:USDT",
    "symbol": "Q",
    "denominator": "USDT",
    "margin": "USDT",
    "base_coin": "Q",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto"
  },
  {
    "id": "QCOM-USDT",
    "type": "perpetual",
    "base_coin": "QCOM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-12T00:00:00.000Z",
    "internal_id": "perpetual-QCOM-USDT:USDT",
    "symbol": "QCOM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "QNT-USDT",
    "type": "perpetual",
    "base_coin": "QNT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-09-23T00:00:00.000Z",
    "internal_id": "perpetual-QNT-USDT:USDT",
    "symbol": "QNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "QNTX-USDT",
    "type": "perpetual",
    "base_coin": "QNTX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-01T00:00:00.000Z",
    "internal_id": "perpetual-QNTX-USDT:USDT",
    "symbol": "QNTX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "QQQ-USDT",
    "type": "perpetual",
    "base_coin": "QQQ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-QQQ-USDT:USDT",
    "symbol": "QQQ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "QRDO-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2025-03-23T00:00:00.000Z",
    "internal_id": "perpetual-QRDO-USDT:USDT",
    "symbol": "QRDO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "QTUM-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-QTUM-USDT:USDT",
    "symbol": "QTUM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RAM-USDT",
    "type": "perpetual",
    "base_coin": "RAM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-RAM-USDT:USDT",
    "symbol": "RAM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RARE-USDT",
    "type": "perpetual",
    "first_capture": "2024-08-19T00:00:00.000Z",
    "end_date": "2025-03-13T00:00:00.000Z",
    "internal_id": "perpetual-RARE-USDT:USDT",
    "symbol": "RARE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RATS-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-14T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-RATS-USDT:USDT",
    "symbol": "RATS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RAVE-USDT",
    "type": "perpetual",
    "base_coin": "RAVE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-12-16T00:00:00.000Z",
    "internal_id": "perpetual-RAVE-USDT:USDT",
    "symbol": "RAVE",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-30T08:00:00.000Z"
  },
  {
    "id": "RAY-USDT",
    "type": "perpetual",
    "base_coin": "RAY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-07T00:00:00.000Z",
    "internal_id": "perpetual-RAY-USDT:USDT",
    "symbol": "RAY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RDDT-USDT",
    "type": "perpetual",
    "base_coin": "RDDT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-07T00:00:00.000Z",
    "internal_id": "perpetual-RDDT-USDT:USDT",
    "symbol": "RDDT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RDNT-USDT",
    "type": "perpetual",
    "first_capture": "2023-04-04T00:00:00.000Z",
    "end_date": "2025-03-04T00:00:00.000Z",
    "internal_id": "perpetual-RDNT-USDT:USDT",
    "symbol": "RDNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RDW-USDT",
    "type": "perpetual",
    "base_coin": "RDW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-RDW-USDT:USDT",
    "symbol": "RDW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RE-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-20T00:00:00.000Z",
    "end_date": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-RE-USDT:USDT",
    "symbol": "RE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RECALL-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-16T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-RECALL-USDT:USDT",
    "symbol": "RECALL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RED-USDT",
    "type": "perpetual",
    "first_capture": "2025-03-06T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-RED-USDT:USDT",
    "symbol": "RED",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "REEF-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-19T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-REEF-USDT:USDT",
    "symbol": "REEF",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "REGN-USDT",
    "type": "perpetual",
    "base_coin": "REGN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-14T00:00:00.000Z",
    "internal_id": "perpetual-REGN-USDT:USDT",
    "symbol": "REGN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "REN-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-20T00:00:00.000Z",
    "end_date": "2023-06-11T00:00:00.000Z",
    "internal_id": "perpetual-REN-USDT:USDT",
    "symbol": "REN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RESOLV-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-10T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-RESOLV-USDT:USDT",
    "symbol": "RESOLV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "REZ-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-30T00:00:00.000Z",
    "end_date": "2024-09-14T00:00:00.000Z",
    "internal_id": "perpetual-REZ-USDT:USDT",
    "symbol": "REZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RIVER-USDT",
    "type": "perpetual",
    "base_coin": "RIVER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-10-29T00:00:00.000Z",
    "internal_id": "perpetual-RIVER-USDT:USDT",
    "symbol": "RIVER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RIVN-USDT",
    "type": "perpetual",
    "base_coin": "RIVN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-RIVN-USDT:USDT",
    "symbol": "RIVN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RKLB-USDT",
    "type": "perpetual",
    "base_coin": "RKLB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-14T00:00:00.000Z",
    "internal_id": "perpetual-RKLB-USDT:USDT",
    "symbol": "RKLB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RLC-USDT",
    "type": "perpetual",
    "base_coin": "RLC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-10T00:00:00.000Z",
    "internal_id": "perpetual-RLC-USDT:USDT",
    "symbol": "RLC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RLS-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-03T00:00:00.000Z",
    "end_date": "2026-02-13T00:00:00.000Z",
    "internal_id": "perpetual-RLS-USDT:USDT",
    "symbol": "RLS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RLY-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-RLY-USDT:USDT",
    "symbol": "RLY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RNDR-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-09T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-RNDR-USDT:USDT",
    "symbol": "RNDR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ROBO-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-28T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-ROBO-USDT:USDT",
    "symbol": "ROBO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ROSE-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-26T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-ROSE-USDT:USDT",
    "symbol": "ROSE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ROUTE-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-ROUTE-USDT:USDT",
    "symbol": "ROUTE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RSR-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-26T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-RSR-USDT:USDT",
    "symbol": "RSR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RUM-USDT",
    "type": "perpetual",
    "base_coin": "RUM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "internal_id": "perpetual-RUM-USDT:USDT",
    "symbol": "RUM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RUNE-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-27T00:00:00.000Z",
    "end_date": "2022-09-28T00:00:00.000Z",
    "internal_id": "perpetual-RUNE-USDT:USDT",
    "symbol": "RUNE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "RVN-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-04T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-RVN-USDT:USDT",
    "symbol": "RVN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "S-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-17T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-S-USDT:USDT",
    "symbol": "S",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAGA-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-09T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-SAGA-USDT:USDT",
    "symbol": "SAGA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAHARA-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-26T00:00:00.000Z",
    "end_date": "2026-05-29T00:00:00.000Z",
    "internal_id": "perpetual-SAHARA-USDT:USDT",
    "symbol": "SAHARA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAMSUNG-USDT",
    "type": "perpetual",
    "base_coin": "SAMSUNG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-03T00:00:00.000Z",
    "internal_id": "perpetual-SAMSUNG-USDT:USDT",
    "symbol": "SAMSUNG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAMSUNGEM-USDT",
    "type": "perpetual",
    "base_coin": "SAMSUNGEM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-SAMSUNGEM-USDT:USDT",
    "symbol": "SAMSUNGEM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAND-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-SAND-USDT:USDT",
    "symbol": "SAND",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SAPIEN-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-21T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-SAPIEN-USDT:USDT",
    "symbol": "SAPIEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SATS-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-12T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-SATS-USDT:USDT",
    "symbol": "SATS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SBUX-USDT",
    "type": "perpetual",
    "base_coin": "SBUX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-14T00:00:00.000Z",
    "internal_id": "perpetual-SBUX-USDT:USDT",
    "symbol": "SBUX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SCR-USDT",
    "type": "perpetual",
    "first_capture": "2024-10-22T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-SCR-USDT:USDT",
    "symbol": "SCR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SDAO-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-SDAO-USDT:USDT",
    "symbol": "SDAO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SECZ-USDT",
    "type": "perpetual",
    "base_coin": "SECZ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-29T00:00:00.000Z",
    "internal_id": "perpetual-SECZ-USDT:USDT",
    "symbol": "SECZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SEI-USDT",
    "type": "perpetual",
    "first_capture": "2023-08-16T00:00:00.000Z",
    "end_date": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-SEI-USDT:USDT",
    "symbol": "SEI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SENT-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-23T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-SENT-USDT:USDT",
    "symbol": "SENT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHAZ-USDT",
    "type": "perpetual",
    "base_coin": "SHAZ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-13T00:00:00.000Z",
    "internal_id": "perpetual-SHAZ-USDT:USDT",
    "symbol": "SHAZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHEIN-USDT",
    "type": "perpetual",
    "base_coin": "SHEIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-27T00:00:00.000Z",
    "internal_id": "perpetual-SHEIN-USDT:USDT",
    "symbol": "SHEIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHELL-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-18T00:00:00.000Z",
    "end_date": "2025-08-06T00:00:00.000Z",
    "internal_id": "perpetual-SHELL-USDT:USDT",
    "symbol": "SHELL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHIB-USDT",
    "type": "perpetual",
    "base_coin": "SHIB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-05-11T00:00:00.000Z",
    "internal_id": "perpetual-SHIB-USDT:USDT",
    "symbol": "SHIB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHLD-USDT",
    "type": "perpetual",
    "base_coin": "SHLD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-27T00:00:00.000Z",
    "internal_id": "perpetual-SHLD-USDT:USDT",
    "symbol": "SHLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SHOP-USDT",
    "type": "perpetual",
    "base_coin": "SHOP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-10T00:00:00.000Z",
    "internal_id": "perpetual-SHOP-USDT:USDT",
    "symbol": "SHOP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SIGN-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-28T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-SIGN-USDT:USDT",
    "symbol": "SIGN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SIREN-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-27T00:00:00.000Z",
    "end_date": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-SIREN-USDT:USDT",
    "symbol": "SIREN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKATE-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-09T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-SKATE-USDT:USDT",
    "symbol": "SKATE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKDD-USDT",
    "type": "perpetual",
    "base_coin": "SKDD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-SKDD-USDT:USDT",
    "symbol": "SKDD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKHY-USDT",
    "type": "perpetual",
    "base_coin": "SKHY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-11T00:00:00.000Z",
    "internal_id": "perpetual-SKHY-USDT:USDT",
    "symbol": "SKHY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKHYNIX-USDT",
    "type": "perpetual",
    "base_coin": "SKHYNIX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-03T00:00:00.000Z",
    "internal_id": "perpetual-SKHYNIX-USDT:USDT",
    "symbol": "SKHYNIX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKL-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-12T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-SKL-USDT:USDT",
    "symbol": "SKL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKR-USDT",
    "type": "perpetual",
    "base_coin": "SKR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-SKR-USDT:USDT",
    "symbol": "SKR",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "SKUU-USDT",
    "type": "perpetual",
    "base_coin": "SKUU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-SKUU-USDT:USDT",
    "symbol": "SKUU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKY-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-12T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-SKY-USDT:USDT",
    "symbol": "SKY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SKYAI-USDT",
    "type": "perpetual",
    "base_coin": "SKYAI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-05-15T00:00:00.000Z",
    "internal_id": "perpetual-SKYAI-USDT:USDT",
    "symbol": "SKYAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SLERF-USDT",
    "type": "perpetual",
    "first_capture": "2024-03-19T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-SLERF-USDT:USDT",
    "symbol": "SLERF",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SLP-USDT",
    "type": "perpetual",
    "first_capture": "2022-02-16T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-SLP-USDT:USDT",
    "symbol": "SLP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SLX-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-02T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-SLX-USDT:USDT",
    "symbol": "SLX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SMCI-USDT",
    "type": "perpetual",
    "base_coin": "SMCI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-23T00:00:00.000Z",
    "internal_id": "perpetual-SMCI-USDT:USDT",
    "symbol": "SMCI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SMH-USDT",
    "type": "perpetual",
    "base_coin": "SMH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-18T00:00:00.000Z",
    "internal_id": "perpetual-SMH-USDT:USDT",
    "symbol": "SMH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SMIC-USDT",
    "type": "perpetual",
    "base_coin": "SMIC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-04T00:00:00.000Z",
    "internal_id": "perpetual-SMIC-USDT:USDT",
    "symbol": "SMIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SMR-USDT",
    "type": "perpetual",
    "base_coin": "SMR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-02T00:00:00.000Z",
    "internal_id": "perpetual-SMR-USDT:USDT",
    "symbol": "SMR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNDK-USDT",
    "type": "perpetual",
    "base_coin": "SNDK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-21T00:00:00.000Z",
    "internal_id": "perpetual-SNDK-USDT:USDT",
    "symbol": "SNDK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNOW-USDT",
    "type": "perpetual",
    "base_coin": "SNOW",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-13T00:00:00.000Z",
    "internal_id": "perpetual-SNOW-USDT:USDT",
    "symbol": "SNOW",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNPS-USDT",
    "type": "perpetual",
    "base_coin": "SNPS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-13T00:00:00.000Z",
    "internal_id": "perpetual-SNPS-USDT:USDT",
    "symbol": "SNPS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNT-USDT",
    "type": "perpetual",
    "first_capture": "2023-11-02T00:00:00.000Z",
    "end_date": "2024-05-24T00:00:00.000Z",
    "internal_id": "perpetual-SNT-USDT:USDT",
    "symbol": "SNT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNX-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-SNX-USDT:USDT",
    "symbol": "SNX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SNXX-USDT",
    "type": "perpetual",
    "base_coin": "SNXX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-SNXX-USDT:USDT",
    "symbol": "SNXX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOFISTOCK-USDT",
    "type": "perpetual",
    "base_coin": "SOFISTOCK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-23T00:00:00.000Z",
    "internal_id": "perpetual-SOFISTOCK-USDT:USDT",
    "symbol": "SOFISTOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOFTBANK-USDT",
    "type": "perpetual",
    "base_coin": "SOFTBANK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-20T00:00:00.000Z",
    "internal_id": "perpetual-SOFTBANK-USDT:USDT",
    "symbol": "SOFTBANK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOL-USDT",
    "type": "perpetual",
    "base_coin": "SOL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2021-01-13T00:00:00.000Z",
    "internal_id": "perpetual-SOL-USDT:USDT",
    "symbol": "SOL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOLV-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-17T00:00:00.000Z",
    "end_date": "2025-08-06T00:00:00.000Z",
    "internal_id": "perpetual-SOLV-USDT:USDT",
    "symbol": "SOLV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOMI-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-03T00:00:00.000Z",
    "end_date": "2026-03-27T00:00:00.000Z",
    "internal_id": "perpetual-SOMI-USDT:USDT",
    "symbol": "SOMI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SONIC-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-08T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-SONIC-USDT:USDT",
    "symbol": "SONIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SONY-USDT",
    "type": "perpetual",
    "base_coin": "SONY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-24T00:00:00.000Z",
    "internal_id": "perpetual-SONY-USDT:USDT",
    "symbol": "SONY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOON-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-23T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-SOON-USDT:USDT",
    "symbol": "SOON",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOPH-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-28T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-SOPH-USDT:USDT",
    "symbol": "SOPH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOS-USDT",
    "type": "perpetual",
    "first_capture": "2022-01-06T00:00:00.000Z",
    "end_date": "2022-08-26T00:00:00.000Z",
    "internal_id": "perpetual-SOS-USDT:USDT",
    "symbol": "SOS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOXL-USDT",
    "type": "perpetual",
    "base_coin": "SOXL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-15T00:00:00.000Z",
    "internal_id": "perpetual-SOXL-USDT:USDT",
    "symbol": "SOXL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOXS-USDT",
    "type": "perpetual",
    "base_coin": "SOXS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-18T00:00:00.000Z",
    "internal_id": "perpetual-SOXS-USDT:USDT",
    "symbol": "SOXS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SOXX-USDT",
    "type": "perpetual",
    "base_coin": "SOXX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-23T00:00:00.000Z",
    "internal_id": "perpetual-SOXX-USDT:USDT",
    "symbol": "SOXX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPACE-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-26T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-SPACE-USDT:USDT",
    "symbol": "SPACE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPACEX-USDT",
    "type": "perpetual",
    "first_capture": "2026-05-08T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-SPACEX-USDT:USDT",
    "symbol": "SPACEX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPCH-USDT",
    "type": "perpetual",
    "base_coin": "SPCH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-SPCH-USDT:USDT",
    "symbol": "SPCH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPCX-USDT",
    "type": "perpetual",
    "base_coin": "SPCX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-28T00:00:00.000Z",
    "internal_id": "perpetual-SPCX-USDT:USDT",
    "symbol": "SPCX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPK-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-17T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-SPK-USDT:USDT",
    "symbol": "SPK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPOT-USDT",
    "type": "perpetual",
    "base_coin": "SPOT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-27T00:00:00.000Z",
    "internal_id": "perpetual-SPOT-USDT:USDT",
    "symbol": "SPOT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPX-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-06T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-SPX-USDT:USDT",
    "symbol": "SPX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPX500-USDT",
    "type": "perpetual",
    "base_coin": "SPX500",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.0001,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-03-25T00:00:00.000Z",
    "internal_id": "perpetual-SPX500-USDT:USDT",
    "symbol": "SPX500",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SPY-USDT",
    "type": "perpetual",
    "base_coin": "SPY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-SPY-USDT:USDT",
    "symbol": "SPY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SQD-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-25T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-SQD-USDT:USDT",
    "symbol": "SQD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SQQQ-USDT",
    "type": "perpetual",
    "base_coin": "SQQQ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-29T00:00:00.000Z",
    "internal_id": "perpetual-SQQQ-USDT:USDT",
    "symbol": "SQQQ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SRM-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-24T00:00:00.000Z",
    "end_date": "2022-11-15T00:00:00.000Z",
    "internal_id": "perpetual-SRM-USDT:USDT",
    "symbol": "SRM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SSV-USDT",
    "type": "perpetual",
    "first_capture": "2023-03-01T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-SSV-USDT:USDT",
    "symbol": "SSV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STABLE-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-08T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-STABLE-USDT:USDT",
    "symbol": "STABLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STBL-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-18T00:00:00.000Z",
    "end_date": "2025-12-19T00:00:00.000Z",
    "internal_id": "perpetual-STBL-USDT:USDT",
    "symbol": "STBL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STEEM-USDT",
    "type": "perpetual",
    "base_coin": "STEEM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-11-09T00:00:00.000Z",
    "internal_id": "perpetual-STEEM-USDT:USDT",
    "symbol": "STEEM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STG-USDT",
    "type": "perpetual",
    "first_capture": "2023-04-04T00:00:00.000Z",
    "end_date": "2024-09-27T00:00:00.000Z",
    "internal_id": "perpetual-STG-USDT:USDT",
    "symbol": "STG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STM-USDT",
    "type": "perpetual",
    "base_coin": "STM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-27T00:00:00.000Z",
    "internal_id": "perpetual-STM-USDT:USDT",
    "symbol": "STM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STO-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-06T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-STO-USDT:USDT",
    "symbol": "STO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STORJ-USDT",
    "type": "perpetual",
    "first_capture": "2021-04-01T00:00:00.000Z",
    "end_date": "2024-07-26T00:00:00.000Z",
    "internal_id": "perpetual-STORJ-USDT:USDT",
    "symbol": "STORJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STRC-USDT",
    "type": "perpetual",
    "base_coin": "STRC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-30T00:00:00.000Z",
    "internal_id": "perpetual-STRC-USDT:USDT",
    "symbol": "STRC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STRK-USDT",
    "type": "perpetual",
    "base_coin": "STRK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-02-20T00:00:00.000Z",
    "internal_id": "perpetual-STRK-USDT:USDT",
    "symbol": "STRK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STX-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-05T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-STX-USDT:USDT",
    "symbol": "STX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "STXX-USDT",
    "type": "perpetual",
    "base_coin": "STXX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-26T00:00:00.000Z",
    "internal_id": "perpetual-STXX-USDT:USDT",
    "symbol": "STXX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SUI-USDT",
    "type": "perpetual",
    "base_coin": "SUI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-05-03T00:00:00.000Z",
    "internal_id": "perpetual-SUI-USDT:USDT",
    "symbol": "SUI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SUN-USDT",
    "type": "perpetual",
    "base_coin": "SUN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-08-22T00:00:00.000Z",
    "internal_id": "perpetual-SUN-USDT:USDT",
    "symbol": "SUN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SUNDOG-USDT",
    "type": "perpetual",
    "first_capture": "2024-08-19T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-SUNDOG-USDT:USDT",
    "symbol": "SUNDOG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SUSHI-USDT",
    "type": "perpetual",
    "base_coin": "SUSHI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-21T00:00:00.000Z",
    "internal_id": "perpetual-SUSHI-USDT:USDT",
    "symbol": "SUSHI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SWARMS-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-08T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-SWARMS-USDT:USDT",
    "symbol": "SWARMS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SWELL-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-08T00:00:00.000Z",
    "end_date": "2025-05-08T00:00:00.000Z",
    "internal_id": "perpetual-SWELL-USDT:USDT",
    "symbol": "SWELL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SXP-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-31T00:00:00.000Z",
    "end_date": "2022-09-30T00:00:00.000Z",
    "internal_id": "perpetual-SXP-USDT:USDT",
    "symbol": "SXP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SXT-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-08T00:00:00.000Z",
    "end_date": "2025-07-04T00:00:00.000Z",
    "internal_id": "perpetual-SXT-USDT:USDT",
    "symbol": "SXT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SYN-USDT",
    "type": "perpetual",
    "first_capture": "2026-07-01T00:00:00.000Z",
    "end_date": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-SYN-USDT:USDT",
    "symbol": "SYN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "SYRUP-USDT",
    "type": "perpetual",
    "first_capture": "2025-05-07T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-SYRUP-USDT:USDT",
    "symbol": "SYRUP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TA-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-21T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-TA-USDT:USDT",
    "symbol": "TA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TAC-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-15T00:00:00.000Z",
    "end_date": "2026-08-11T00:00:00.000Z",
    "internal_id": "perpetual-TAC-USDT:USDT",
    "symbol": "TAC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TAIYOYUDEN-USDT",
    "type": "perpetual",
    "base_coin": "TAIYOYUDEN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-27T00:00:00.000Z",
    "internal_id": "perpetual-TAIYOYUDEN-USDT:USDT",
    "symbol": "TAIYOYUDEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TANSSI-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-10T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-TANSSI-USDT:USDT",
    "symbol": "TANSSI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TAO-USDT",
    "type": "perpetual",
    "base_coin": "TAO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-04-12T00:00:00.000Z",
    "internal_id": "perpetual-TAO-USDT:USDT",
    "symbol": "TAO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TBT-USDT",
    "type": "perpetual",
    "base_coin": "TBT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "index",
    "first_capture": "2026-07-29T00:00:00.000Z",
    "internal_id": "perpetual-TBT-USDT:USDT",
    "symbol": "TBT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TEAM-USDT",
    "type": "perpetual",
    "base_coin": "TEAM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-TEAM-USDT:USDT",
    "symbol": "TEAM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TEM-USDT",
    "type": "perpetual",
    "base_coin": "TEM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-28T00:00:00.000Z",
    "internal_id": "perpetual-TEM-USDT:USDT",
    "symbol": "TEM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TENCENT-USDT",
    "type": "perpetual",
    "base_coin": "TENCENT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-20T00:00:00.000Z",
    "internal_id": "perpetual-TENCENT-USDT:USDT",
    "symbol": "TENCENT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TENET-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-TENET-USDT:USDT",
    "symbol": "TENET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TER-USDT",
    "type": "perpetual",
    "base_coin": "TER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-TER-USDT:USDT",
    "symbol": "TER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "THE-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-16T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-THE-USDT:USDT",
    "symbol": "THE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "THETA-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-16T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-THETA-USDT:USDT",
    "symbol": "THETA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TIA-USDT",
    "type": "perpetual",
    "base_coin": "TIA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-11-14T00:00:00.000Z",
    "internal_id": "perpetual-TIA-USDT:USDT",
    "symbol": "TIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TLT-USDT",
    "type": "perpetual",
    "base_coin": "TLT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-18T00:00:00.000Z",
    "internal_id": "perpetual-TLT-USDT:USDT",
    "symbol": "TLT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TMF-USDT",
    "type": "perpetual",
    "base_coin": "TMF",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-29T00:00:00.000Z",
    "internal_id": "perpetual-TMF-USDT:USDT",
    "symbol": "TMF",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TNSR-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-09T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-TNSR-USDT:USDT",
    "symbol": "TNSR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TOKEN-USDT",
    "type": "perpetual",
    "first_capture": "2023-12-04T00:00:00.000Z",
    "end_date": "2024-08-20T00:00:00.000Z",
    "internal_id": "perpetual-TOKEN-USDT:USDT",
    "symbol": "TOKEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TOMO-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-TOMO-USDT:USDT",
    "symbol": "TOMO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TON-USDT",
    "type": "perpetual",
    "first_capture": "2023-01-09T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-TON-USDT:USDT",
    "symbol": "TON",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TOSHI-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-18T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-TOSHI-USDT:USDT",
    "symbol": "TOSHI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TOWNS-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-06T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-TOWNS-USDT:USDT",
    "symbol": "TOWNS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TQQQ-USDT",
    "type": "perpetual",
    "base_coin": "TQQQ",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-29T00:00:00.000Z",
    "internal_id": "perpetual-TQQQ-USDT:USDT",
    "symbol": "TQQQ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRB-USDT",
    "type": "perpetual",
    "first_capture": "2023-08-28T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-TRB-USDT:USDT",
    "symbol": "TRB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TREE-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-30T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-TREE-USDT:USDT",
    "symbol": "TREE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRIA-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-09T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-TRIA-USDT:USDT",
    "symbol": "TRIA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRIBE-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-31T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-TRIBE-USDT:USDT",
    "symbol": "TRIBE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRUMP-USDT",
    "type": "perpetual",
    "base_coin": "TRUMP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-01-18T00:00:00.000Z",
    "internal_id": "perpetual-TRUMP-USDT:USDT",
    "symbol": "TRUMP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRUST-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-06T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-TRUST-USDT:USDT",
    "symbol": "TRUST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRUTH-USDT",
    "type": "perpetual",
    "first_capture": "2025-11-10T00:00:00.000Z",
    "end_date": "2026-05-16T00:00:00.000Z",
    "internal_id": "perpetual-TRUTH-USDT:USDT",
    "symbol": "TRUTH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TRX-USDT",
    "type": "perpetual",
    "base_coin": "TRX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-12T00:00:00.000Z",
    "internal_id": "perpetual-TRX-USDT:USDT",
    "symbol": "TRX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TSEM-USDT",
    "type": "perpetual",
    "base_coin": "TSEM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-20T00:00:00.000Z",
    "internal_id": "perpetual-TSEM-USDT:USDT",
    "symbol": "TSEM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TSLAX-USDT",
    "type": "perpetual",
    "base_coin": "TSLAX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2025-11-19T00:00:00.000Z",
    "internal_id": "perpetual-TSLAX-USDT:USDT",
    "symbol": "TSLAX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TSLL-USDT",
    "type": "perpetual",
    "base_coin": "TSLL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-TSLL-USDT:USDT",
    "symbol": "TSLL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TSM-USDT",
    "type": "perpetual",
    "base_coin": "TSM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-TSM-USDT:USDT",
    "symbol": "TSM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TST-USDT",
    "type": "perpetual",
    "first_capture": "2025-02-10T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-TST-USDT:USDT",
    "symbol": "TST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TTMI-USDT",
    "type": "perpetual",
    "base_coin": "TTMI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-04T00:00:00.000Z",
    "internal_id": "perpetual-TTMI-USDT:USDT",
    "symbol": "TTMI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TTWO-USDT",
    "type": "perpetual",
    "base_coin": "TTWO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-07T00:00:00.000Z",
    "internal_id": "perpetual-TTWO-USDT:USDT",
    "symbol": "TTWO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TURBO-USDT",
    "type": "perpetual",
    "first_capture": "2023-05-06T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-TURBO-USDT:USDT",
    "symbol": "TURBO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TURTLE-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-23T00:00:00.000Z",
    "end_date": "2025-12-19T00:00:00.000Z",
    "internal_id": "perpetual-TURTLE-USDT:USDT",
    "symbol": "TURTLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TUT-USDT",
    "type": "perpetual",
    "base_coin": "TUT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-03-21T00:00:00.000Z",
    "internal_id": "perpetual-TUT-USDT:USDT",
    "symbol": "TUT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TWLO-USDT",
    "type": "perpetual",
    "base_coin": "TWLO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-27T00:00:00.000Z",
    "internal_id": "perpetual-TWLO-USDT:USDT",
    "symbol": "TWLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TWST-USDT",
    "type": "perpetual",
    "base_coin": "TWST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "internal_id": "perpetual-TWST-USDT:USDT",
    "symbol": "TWST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TXN-USDT",
    "type": "perpetual",
    "base_coin": "TXN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-TXN-USDT:USDT",
    "symbol": "TXN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "TZA-USDT",
    "type": "perpetual",
    "base_coin": "TZA",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-17T00:00:00.000Z",
    "internal_id": "perpetual-TZA-USDT:USDT",
    "symbol": "TZA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UB-USDT",
    "type": "perpetual",
    "base_coin": "UB",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-09-12T00:00:00.000Z",
    "internal_id": "perpetual-UB-USDT:USDT",
    "symbol": "UB",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-17T00:00:00.000Z"
  },
  {
    "id": "UBER-USDT",
    "type": "perpetual",
    "base_coin": "UBER",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-15T00:00:00.000Z",
    "internal_id": "perpetual-UBER-USDT:USDT",
    "symbol": "UBER",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UMA-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-12T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-UMA-USDT:USDT",
    "symbol": "UMA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UMC-USDT",
    "type": "perpetual",
    "base_coin": "UMC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-14T00:00:00.000Z",
    "internal_id": "perpetual-UMC-USDT:USDT",
    "symbol": "UMC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UNB-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-UNB-USDT:USDT",
    "symbol": "UNB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UNFI-USDT",
    "type": "perpetual",
    "first_capture": "2022-06-09T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-UNFI-USDT:USDT",
    "symbol": "UNFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UNH-USDT",
    "type": "perpetual",
    "base_coin": "UNH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-03T00:00:00.000Z",
    "internal_id": "perpetual-UNH-USDT:USDT",
    "symbol": "UNH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UNI-USDT",
    "type": "perpetual",
    "base_coin": "UNI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "internal_id": "perpetual-UNI-USDT:USDT",
    "symbol": "UNI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UNITREE-USDT",
    "type": "perpetual",
    "base_coin": "UNITREE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-05T00:00:00.000Z",
    "internal_id": "perpetual-UNITREE-USDT:USDT",
    "symbol": "UNITREE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UOS-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-23T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-UOS-USDT:USDT",
    "symbol": "UOS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "URNM-USDT",
    "type": "perpetual",
    "base_coin": "URNM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-URNM-USDT:USDT",
    "symbol": "URNM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USAR-USDT",
    "type": "perpetual",
    "base_coin": "USAR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-USAR-USDT:USDT",
    "symbol": "USAR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USDBRL-USDT",
    "type": "perpetual",
    "base_coin": "USDBRL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-28T00:00:00.000Z",
    "internal_id": "perpetual-USDBRL-USDT:USDT",
    "symbol": "USDBRL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USDC-USDT",
    "type": "perpetual",
    "first_capture": "2023-03-12T00:00:00.000Z",
    "end_date": "2023-04-29T00:00:00.000Z",
    "internal_id": "perpetual-USDC-USDT:USDT",
    "symbol": "USDC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USDEX-USDT",
    "type": "perpetual",
    "base_coin": "USDEX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-10T00:00:00.000Z",
    "internal_id": "perpetual-USDEX-USDT:USDT",
    "symbol": "USDEX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USDJPY-USDT",
    "type": "perpetual",
    "base_coin": "USDJPY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-10T00:00:00.000Z",
    "internal_id": "perpetual-USDJPY-USDT:USDT",
    "symbol": "USDJPY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USELESS-USDT",
    "type": "perpetual",
    "base_coin": "USELESS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-08-14T00:00:00.000Z",
    "internal_id": "perpetual-USELESS-USDT:USDT",
    "symbol": "USELESS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USOIL-USDT",
    "type": "perpetual",
    "base_coin": "USOIL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-03-02T00:00:00.000Z",
    "internal_id": "perpetual-USOIL-USDT:USDT",
    "symbol": "USOIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USTC-USDT",
    "type": "perpetual",
    "first_capture": "2023-07-17T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-USTC-USDT:USDT",
    "symbol": "USTC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "USUAL-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-19T00:00:00.000Z",
    "end_date": "2025-11-21T00:00:00.000Z",
    "internal_id": "perpetual-USUAL-USDT:USDT",
    "symbol": "USUAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UVXY-USDT",
    "type": "perpetual",
    "base_coin": "UVXY",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-UVXY-USDT:USDT",
    "symbol": "UVXY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "UXLINK-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-26T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-UXLINK-USDT:USDT",
    "symbol": "UXLINK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "V-USDT",
    "type": "perpetual",
    "base_coin": "V",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-19T00:00:00.000Z",
    "internal_id": "perpetual-V-USDT:USDT",
    "symbol": "V",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VANA-USDT",
    "type": "perpetual",
    "first_capture": "2024-12-17T00:00:00.000Z",
    "end_date": "2025-08-13T00:00:00.000Z",
    "internal_id": "perpetual-VANA-USDT:USDT",
    "symbol": "VANA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VELVET-USDT",
    "type": "perpetual",
    "base_coin": "VELVET",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-07-16T00:00:00.000Z",
    "internal_id": "perpetual-VELVET-USDT:USDT",
    "symbol": "VELVET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VET-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "end_date": "2022-12-16T00:00:00.000Z",
    "internal_id": "perpetual-VET-USDT:USDT",
    "symbol": "VET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VIC-USDT",
    "type": "perpetual",
    "first_capture": "2025-07-08T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-VIC-USDT:USDT",
    "symbol": "VIC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VICR-USDT",
    "type": "perpetual",
    "base_coin": "VICR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-20T00:00:00.000Z",
    "internal_id": "perpetual-VICR-USDT:USDT",
    "symbol": "VICR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VINE-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-24T00:00:00.000Z",
    "end_date": "2026-01-23T00:00:00.000Z",
    "internal_id": "perpetual-VINE-USDT:USDT",
    "symbol": "VINE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VIRTUAL-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-07T00:00:00.000Z",
    "end_date": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-VIRTUAL-USDT:USDT",
    "symbol": "VIRTUAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VKTX-USDT",
    "type": "perpetual",
    "base_coin": "VKTX",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-08T00:00:00.000Z",
    "internal_id": "perpetual-VKTX-USDT:USDT",
    "symbol": "VKTX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VLO-USDT",
    "type": "perpetual",
    "base_coin": "VLO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-30T00:00:00.000Z",
    "internal_id": "perpetual-VLO-USDT:USDT",
    "symbol": "VLO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VOXEL-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-21T00:00:00.000Z",
    "end_date": "2025-07-18T00:00:00.000Z",
    "internal_id": "perpetual-VOXEL-USDT:USDT",
    "symbol": "VOXEL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VRA-USDT",
    "type": "perpetual",
    "first_capture": "2022-02-16T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-VRA-USDT:USDT",
    "symbol": "VRA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VRT-USDT",
    "type": "perpetual",
    "base_coin": "VRT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-04T00:00:00.000Z",
    "internal_id": "perpetual-VRT-USDT:USDT",
    "symbol": "VRT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VST-USDT",
    "type": "perpetual",
    "base_coin": "VST",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-14T00:00:00.000Z",
    "internal_id": "perpetual-VST-USDT:USDT",
    "symbol": "VST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VTHO-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-23T00:00:00.000Z",
    "end_date": "2025-06-10T00:00:00.000Z",
    "internal_id": "perpetual-VTHO-USDT:USDT",
    "symbol": "VTHO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "VVV-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-30T00:00:00.000Z",
    "end_date": "2025-08-06T00:00:00.000Z",
    "internal_id": "perpetual-VVV-USDT:USDT",
    "symbol": "VVV",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "W-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-03T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-W-USDT:USDT",
    "symbol": "W",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WAL-USDT",
    "type": "perpetual",
    "base_coin": "WAL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-15T00:00:00.000Z",
    "internal_id": "perpetual-WAL-USDT:USDT",
    "symbol": "WAL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WAVES-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-26T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-WAVES-USDT:USDT",
    "symbol": "WAVES",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WAXP-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-31T00:00:00.000Z",
    "end_date": "2022-10-20T00:00:00.000Z",
    "internal_id": "perpetual-WAXP-USDT:USDT",
    "symbol": "WAXP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WBD-USDT",
    "type": "perpetual",
    "first_capture": "2026-09-30T00:00:00.000Z",
    "end_date": "2026-10-09T00:00:00.000Z",
    "internal_id": "perpetual-WBD-USDT:USDT",
    "symbol": "WBD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WCT-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-15T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-WCT-USDT:USDT",
    "symbol": "WCT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WDC-USDT",
    "type": "perpetual",
    "base_coin": "WDC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-14T00:00:00.000Z",
    "internal_id": "perpetual-WDC-USDT:USDT",
    "symbol": "WDC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WENSTOCK-USDT",
    "type": "perpetual",
    "base_coin": "WENSTOCK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-10T00:00:00.000Z",
    "internal_id": "perpetual-WENSTOCK-USDT:USDT",
    "symbol": "WENSTOCK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WET-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-10T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-WET-USDT:USDT",
    "symbol": "WET",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WIF-USDT",
    "type": "perpetual",
    "base_coin": "WIF",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2024-01-26T00:00:00.000Z",
    "internal_id": "perpetual-WIF-USDT:USDT",
    "symbol": "WIF",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WIN-USDT",
    "type": "perpetual",
    "base_coin": "WIN",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10000.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2022-03-16T00:00:00.000Z",
    "internal_id": "perpetual-WIN-USDT:USDT",
    "symbol": "WIN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WLD-USDT",
    "type": "perpetual",
    "base_coin": "WLD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2023-07-24T00:00:00.000Z",
    "internal_id": "perpetual-WLD-USDT:USDT",
    "symbol": "WLD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WLFI-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-27T00:00:00.000Z",
    "end_date": "2026-06-27T00:00:00.000Z",
    "internal_id": "perpetual-WLFI-USDT:USDT",
    "symbol": "WLFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WMT-USDT",
    "type": "perpetual",
    "base_coin": "WMT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-15T00:00:00.000Z",
    "internal_id": "perpetual-WMT-USDT:USDT",
    "symbol": "WMT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WOJAK-USDT",
    "type": "perpetual",
    "first_capture": "2023-05-05T00:00:00.000Z",
    "end_date": "2023-09-05T00:00:00.000Z",
    "internal_id": "perpetual-WOJAK-USDT:USDT",
    "symbol": "WOJAK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WOO-USDT",
    "type": "perpetual",
    "first_capture": "2021-03-04T00:00:00.000Z",
    "end_date": "2025-08-06T00:00:00.000Z",
    "internal_id": "perpetual-WOO-USDT:USDT",
    "symbol": "WOO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "WUXIBIO-USDT",
    "type": "perpetual",
    "base_coin": "WUXIBIO",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-11-06T00:00:00.000Z",
    "internal_id": "perpetual-WUXIBIO-USDT:USDT",
    "symbol": "WUXIBIO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "X-USDT",
    "type": "perpetual",
    "first_capture": "2024-11-14T00:00:00.000Z",
    "end_date": "2025-03-28T00:00:00.000Z",
    "internal_id": "perpetual-X-USDT:USDT",
    "symbol": "X",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XAG-USDT",
    "type": "perpetual",
    "base_coin": "XAG",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-01-22T00:00:00.000Z",
    "internal_id": "perpetual-XAG-USDT:USDT",
    "symbol": "XAG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XAI-USDT",
    "type": "perpetual",
    "first_capture": "2024-01-11T00:00:00.000Z",
    "end_date": "2024-09-14T00:00:00.000Z",
    "internal_id": "perpetual-XAI-USDT:USDT",
    "symbol": "XAI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XAN-USDT",
    "type": "perpetual",
    "first_capture": "2025-09-30T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-XAN-USDT:USDT",
    "symbol": "XAN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XAU-USDT",
    "type": "perpetual",
    "base_coin": "XAU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-02-03T00:00:00.000Z",
    "internal_id": "perpetual-XAU-USDT:USDT",
    "symbol": "XAU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XAUT-USDT",
    "type": "perpetual",
    "base_coin": "XAUT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-01-22T00:00:00.000Z",
    "internal_id": "perpetual-XAUT-USDT:USDT",
    "symbol": "XAUT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XBI-USDT",
    "type": "perpetual",
    "base_coin": "XBI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-07-15T00:00:00.000Z",
    "internal_id": "perpetual-XBI-USDT:USDT",
    "symbol": "XBI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XCH-USDT",
    "type": "perpetual",
    "first_capture": "2021-05-18T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-XCH-USDT:USDT",
    "symbol": "XCH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XCN-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-15T00:00:00.000Z",
    "end_date": "2022-11-12T00:00:00.000Z",
    "internal_id": "perpetual-XCN-USDT:USDT",
    "symbol": "XCN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XEC-USDT",
    "type": "perpetual",
    "first_capture": "2021-09-23T00:00:00.000Z",
    "end_date": "2022-11-04T00:00:00.000Z",
    "internal_id": "perpetual-XEC-USDT:USDT",
    "symbol": "XEC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XEM-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-16T00:00:00.000Z",
    "end_date": "2022-09-30T00:00:00.000Z",
    "internal_id": "perpetual-XEM-USDT:USDT",
    "symbol": "XEM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XETA-USDT",
    "type": "perpetual",
    "first_capture": "2024-04-18T00:00:00.000Z",
    "end_date": "2026-09-26T00:00:00.000Z",
    "internal_id": "perpetual-XETA-USDT:USDT",
    "symbol": "XETA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XLE-USDT",
    "type": "perpetual",
    "base_coin": "XLE",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-05-20T00:00:00.000Z",
    "internal_id": "perpetual-XLE-USDT:USDT",
    "symbol": "XLE",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XLK-USDT",
    "type": "perpetual",
    "base_coin": "XLK",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-10T00:00:00.000Z",
    "internal_id": "perpetual-XLK-USDT:USDT",
    "symbol": "XLK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XLM-USDT",
    "type": "perpetual",
    "base_coin": "XLM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "internal_id": "perpetual-XLM-USDT:USDT",
    "symbol": "XLM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XLU-USDT",
    "type": "perpetual",
    "base_coin": "XLU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-07T00:00:00.000Z",
    "internal_id": "perpetual-XLU-USDT:USDT",
    "symbol": "XLU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XMR-USDT",
    "type": "perpetual",
    "base_coin": "XMR",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "internal_id": "perpetual-XMR-USDT:USDT",
    "symbol": "XMR",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XNY-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-14T00:00:00.000Z",
    "end_date": "2025-12-06T00:00:00.000Z",
    "internal_id": "perpetual-XNY-USDT:USDT",
    "symbol": "XNY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XOM-USDT",
    "type": "perpetual",
    "base_coin": "XOM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-26T00:00:00.000Z",
    "internal_id": "perpetual-XOM-USDT:USDT",
    "symbol": "XOM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XPD-USDT",
    "type": "perpetual",
    "base_coin": "XPD",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-02-03T00:00:00.000Z",
    "internal_id": "perpetual-XPD-USDT:USDT",
    "symbol": "XPD",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XPL-USDT",
    "type": "perpetual",
    "base_coin": "XPL",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 1.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-09-25T00:00:00.000Z",
    "internal_id": "perpetual-XPL-USDT:USDT",
    "symbol": "XPL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XPT-USDT",
    "type": "perpetual",
    "base_coin": "XPT",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.001,
    "quantity_unit": "base",
    "underlying": "commodity",
    "first_capture": "2026-02-03T00:00:00.000Z",
    "internal_id": "perpetual-XPT-USDT:USDT",
    "symbol": "XPT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XRP-USDT",
    "type": "perpetual",
    "base_coin": "XRP",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-12T00:00:00.000Z",
    "internal_id": "perpetual-XRP-USDT:USDT",
    "symbol": "XRP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XTZ-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-04T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-XTZ-USDT:USDT",
    "symbol": "XTZ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "XVG-USDT",
    "type": "perpetual",
    "first_capture": "2023-07-06T00:00:00.000Z",
    "end_date": "2023-10-27T00:00:00.000Z",
    "internal_id": "perpetual-XVG-USDT:USDT",
    "symbol": "XVG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "YB-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-15T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-YB-USDT:USDT",
    "symbol": "YB",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "YFI-USDT",
    "type": "perpetual",
    "first_capture": "2020-10-30T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-YFI-USDT:USDT",
    "symbol": "YFI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "YFII-USDT",
    "type": "perpetual",
    "first_capture": "2020-11-11T00:00:00.000Z",
    "end_date": "2022-11-21T00:00:00.000Z",
    "internal_id": "perpetual-YFII-USDT:USDT",
    "symbol": "YFII",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "YGG-USDT",
    "type": "perpetual",
    "first_capture": "2021-08-31T00:00:00.000Z",
    "end_date": "2025-08-02T00:00:00.000Z",
    "internal_id": "perpetual-YGG-USDT:USDT",
    "symbol": "YGG",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "YZY-USDT",
    "type": "perpetual",
    "first_capture": "2025-08-21T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-YZY-USDT:USDT",
    "symbol": "YZY",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZAMA-USDT",
    "type": "perpetual",
    "first_capture": "2026-02-02T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-ZAMA-USDT:USDT",
    "symbol": "ZAMA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZBT-USDT",
    "type": "perpetual",
    "first_capture": "2025-10-20T00:00:00.000Z",
    "end_date": "2026-07-03T00:00:00.000Z",
    "internal_id": "perpetual-ZBT-USDT:USDT",
    "symbol": "ZBT",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZCSH-USDT",
    "type": "perpetual",
    "base_coin": "ZCSH",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.1,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-10-13T00:00:00.000Z",
    "internal_id": "perpetual-ZCSH-USDT:USDT",
    "symbol": "ZCSH",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZEC-USDT",
    "type": "perpetual",
    "base_coin": "ZEC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2020-11-21T00:00:00.000Z",
    "internal_id": "perpetual-ZEC-USDT:USDT",
    "symbol": "ZEC",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZEN-USDT",
    "type": "perpetual",
    "first_capture": "2021-01-29T00:00:00.000Z",
    "end_date": "2026-06-12T00:00:00.000Z",
    "internal_id": "perpetual-ZEN-USDT:USDT",
    "symbol": "ZEN",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZEREBRO-USDT",
    "type": "perpetual",
    "first_capture": "2025-01-02T00:00:00.000Z",
    "end_date": "2026-04-28T00:00:00.000Z",
    "internal_id": "perpetual-ZEREBRO-USDT:USDT",
    "symbol": "ZEREBRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZEST-USDT",
    "type": "perpetual",
    "first_capture": "2026-06-05T00:00:00.000Z",
    "end_date": "2026-07-24T00:00:00.000Z",
    "internal_id": "perpetual-ZEST-USDT:USDT",
    "symbol": "ZEST",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZETA-USDT",
    "type": "perpetual",
    "first_capture": "2024-02-01T00:00:00.000Z",
    "end_date": "2025-07-04T00:00:00.000Z",
    "internal_id": "perpetual-ZETA-USDT:USDT",
    "symbol": "ZETA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZHIPU-USDT",
    "type": "perpetual",
    "base_coin": "ZHIPU",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-22T00:00:00.000Z",
    "internal_id": "perpetual-ZHIPU-USDT:USDT",
    "symbol": "ZHIPU",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZHONGJI-USDT",
    "type": "perpetual",
    "base_coin": "ZHONGJI",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-08-17T00:00:00.000Z",
    "internal_id": "perpetual-ZHONGJI-USDT:USDT",
    "symbol": "ZHONGJI",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZIL-USDT",
    "type": "perpetual",
    "first_capture": "2020-12-23T00:00:00.000Z",
    "end_date": "2026-04-03T00:00:00.000Z",
    "internal_id": "perpetual-ZIL-USDT:USDT",
    "symbol": "ZIL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZK-USDT",
    "type": "perpetual",
    "first_capture": "2024-03-19T00:00:00.000Z",
    "end_date": "2026-06-19T00:00:00.000Z",
    "internal_id": "perpetual-ZK-USDT:USDT",
    "symbol": "ZK",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZKC-USDT",
    "type": "perpetual",
    "base_coin": "ZKC",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-09-16T00:00:00.000Z",
    "internal_id": "perpetual-ZKC-USDT:USDT",
    "symbol": "ZKC",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-23T08:00:00.000Z"
  },
  {
    "id": "ZKJ-USDT",
    "type": "perpetual",
    "first_capture": "2025-06-16T00:00:00.000Z",
    "end_date": "2025-11-07T00:00:00.000Z",
    "internal_id": "perpetual-ZKJ-USDT:USDT",
    "symbol": "ZKJ",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZKL-USDT",
    "type": "perpetual",
    "first_capture": "2024-07-23T00:00:00.000Z",
    "end_date": "2024-10-11T00:00:00.000Z",
    "internal_id": "perpetual-ZKL-USDT:USDT",
    "symbol": "ZKL",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZKP-USDT",
    "type": "perpetual",
    "first_capture": "2025-12-22T00:00:00.000Z",
    "end_date": "2026-05-07T00:00:00.000Z",
    "internal_id": "perpetual-ZKP-USDT:USDT",
    "symbol": "ZKP",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZKS-USDT",
    "type": "perpetual",
    "first_capture": "2021-02-23T00:00:00.000Z",
    "end_date": "2021-10-29T00:00:00.000Z",
    "internal_id": "perpetual-ZKS-USDT:USDT",
    "symbol": "ZKS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZM-USDT",
    "type": "perpetual",
    "base_coin": "ZM",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-06-11T00:00:00.000Z",
    "internal_id": "perpetual-ZM-USDT:USDT",
    "symbol": "ZM",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZORA-USDT",
    "type": "perpetual",
    "first_capture": "2025-04-24T00:00:00.000Z",
    "end_date": "2026-02-27T00:00:00.000Z",
    "internal_id": "perpetual-ZORA-USDT:USDT",
    "symbol": "ZORA",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZRO-USDT",
    "type": "perpetual",
    "first_capture": "2024-06-20T00:00:00.000Z",
    "end_date": "2026-08-19T00:00:00.000Z",
    "internal_id": "perpetual-ZRO-USDT:USDT",
    "symbol": "ZRO",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZRX-USDT",
    "type": "perpetual",
    "first_capture": "2022-04-21T00:00:00.000Z",
    "end_date": "2022-12-08T00:00:00.000Z",
    "internal_id": "perpetual-ZRX-USDT:USDT",
    "symbol": "ZRX",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "ZS-USDT",
    "type": "perpetual",
    "base_coin": "ZS",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 0.01,
    "quantity_unit": "base",
    "underlying": "equity",
    "first_capture": "2026-09-03T00:00:00.000Z",
    "internal_id": "perpetual-ZS-USDT:USDT",
    "symbol": "ZS",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "\u54c8\u57fa\u7c73-USDT",
    "type": "perpetual",
    "base_coin": "\u54c8\u57fa\u7c73",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-09-06T00:00:00.000Z",
    "internal_id": "perpetual-\u54c8\u57fa\u7c73-USDT:USDT",
    "symbol": "\u54c8\u57fa\u7c73",
    "denominator": "USDT",
    "margin": "USDT",
    "end_date": "2026-10-23T08:00:00.000Z"
  },
  {
    "id": "\u5e01\u5b89\u4eba\u751f-USDT",
    "type": "perpetual",
    "base_coin": "\u5e01\u5b89\u4eba\u751f",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2025-10-24T00:00:00.000Z",
    "internal_id": "perpetual-\u5e01\u5b89\u4eba\u751f-USDT:USDT",
    "symbol": "\u5e01\u5b89\u4eba\u751f",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "\u6211\u8e0f\u9a6c\u6765\u4e86-USDT",
    "type": "perpetual",
    "first_capture": "2026-01-13T00:00:00.000Z",
    "end_date": "2026-07-14T00:00:00.000Z",
    "internal_id": "perpetual-\u6211\u8e0f\u9a6c\u6765\u4e86-USDT:USDT",
    "symbol": "\u6211\u8e0f\u9a6c\u6765\u4e86",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "\u725b\u6765-USDT",
    "type": "perpetual",
    "base_coin": "\u725b\u6765",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 10.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-08-30T00:00:00.000Z",
    "internal_id": "perpetual-\u725b\u6765-USDT:USDT",
    "symbol": "\u725b\u6765",
    "denominator": "USDT",
    "margin": "USDT"
  },
  {
    "id": "\u9f99\u867e-USDT",
    "type": "perpetual",
    "base_coin": "\u9f99\u867e",
    "quote_coin": "USDT",
    "margin_asset": "USDT",
    "contract_size": 100.0,
    "quantity_unit": "base",
    "underlying": "crypto",
    "first_capture": "2026-03-12T00:00:00.000Z",
    "internal_id": "perpetual-\u9f99\u867e-USDT:USDT",
    "symbol": "\u9f99\u867e",
    "denominator": "USDT",
    "margin": "USDT"
  }
]