{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/bigone/main/json-schema/bigone-instrument-schema.json",
  "title": "Instrument",
  "x-generated": "2026-10-13",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/bigone-contract-openapi.yml#/components/schemas/Instrument",
  "type": "object",
  "properties": {
    "usdtPrice": {
      "type": "number",
      "description": "USDT Index Price"
    },
    "symbol": {
      "type": "string",
      "description": "Contract Instrument Symbol"
    },
    "btcPrice": {
      "type": "number",
      "description": "BTC Index Price"
    },
    "ethPrice": {
      "type": "number",
      "description": "ETH Index Price"
    },
    "nextFundingRate": {
      "type": "number",
      "description": "Estimated next funding rate"
    },
    "fundingRate": {
      "type": "number",
      "description": "Current funding rate"
    },
    "latestPrice": {
      "type": "number",
      "description": "Latest transaction price"
    },
    "last24hPriceChange": {
      "type": "number",
      "description": "24h price change percentage"
    },
    "indexPrice": {
      "type": "number",
      "description": "Index price"
    },
    "volume24h": {
      "type": "number",
      "description": "24h trading volume (in contract size)"
    },
    "turnover24h": {
      "type": "number",
      "description": "24h turnover"
    },
    "nextFundingTime": {
      "type": "integer",
      "format": "int64",
      "description": "Next funding timestamp"
    },
    "markPrice": {
      "type": "number",
      "description": "Mark price"
    },
    "last24hMaxPrice": {
      "type": "number",
      "description": "Highest price in the last 24 hours"
    },
    "volume24hInUsd": {
      "type": "number",
      "description": "24h trading volume (in USD)"
    },
    "openValue": {
      "type": "number",
      "description": "Open Value"
    },
    "last24hMinPrice": {
      "type": "number",
      "description": "Lowest price in the last 24 hours"
    },
    "openInterest": {
      "type": "number",
      "description": "Total open interest"
    }
  }
}