{
  "path": "/options/tickers",
  "operation_id": "listOptionsTickers",
  "auth_required": false,
  "parameters": [
    {
      "name": "underlying",
      "in": "query",
      "required": true,
      "description": "Underlying (Obtained by listing underlying endpoint)",
      "schema": {
        "type": "string"
      },
      "example": "BTC_USDT"
    }
  ],
  "response_fields": {
    "200": {
      "description": "Query successful",
      "fields": [
        {
          "path": "$",
          "type": "array<object>",
          "description": "",
          "constraints": ""
        },
        {
          "path": "$[]",
          "type": "object",
          "description": "Options contract details",
          "constraints": ""
        },
        {
          "path": "$[].name",
          "type": "string",
          "description": "Options contract name",
          "constraints": ""
        },
        {
          "path": "$[].last_price",
          "type": "string",
          "description": "Last trade price (quote currency)",
          "constraints": ""
        },
        {
          "path": "$[].mark_price",
          "type": "string",
          "description": "Current mark price (quote currency)",
          "constraints": ""
        },
        {
          "path": "$[].index_price",
          "type": "string",
          "description": "Current index price (quote currency)",
          "constraints": ""
        },
        {
          "path": "$[].ask1_size",
          "type": "integer",
          "description": "Best ask size",
          "constraints": "格式：\"int64\""
        },
        {
          "path": "$[].ask1_price",
          "type": "string",
          "description": "Best ask price",
          "constraints": ""
        },
        {
          "path": "$[].bid1_size",
          "type": "integer",
          "description": "Best bid size",
          "constraints": "格式：\"int64\""
        },
        {
          "path": "$[].bid1_price",
          "type": "string",
          "description": "Best bid price",
          "constraints": ""
        },
        {
          "path": "$[].position_size",
          "type": "integer",
          "description": "Current total long position size",
          "constraints": "格式：\"int64\""
        },
        {
          "path": "$[].mark_iv",
          "type": "string",
          "description": "Implied volatility",
          "constraints": ""
        },
        {
          "path": "$[].bid_iv",
          "type": "string",
          "description": "Bid side implied volatility",
          "constraints": ""
        },
        {
          "path": "$[].ask_iv",
          "type": "string",
          "description": "Ask side implied volatility",
          "constraints": ""
        },
        {
          "path": "$[].leverage",
          "type": "string",
          "description": "Leverage = underlying_price / (mark_price * delta). This value is for reference only.",
          "constraints": ""
        },
        {
          "path": "$[].delta",
          "type": "string",
          "description": "Greek letter delta",
          "constraints": ""
        },
        {
          "path": "$[].gamma",
          "type": "string",
          "description": "Greek letter gamma",
          "constraints": ""
        },
        {
          "path": "$[].vega",
          "type": "string",
          "description": "Greek letter vega",
          "constraints": ""
        },
        {
          "path": "$[].theta",
          "type": "string",
          "description": "Greek letter theta",
          "constraints": ""
        },
        {
          "path": "$[].rho",
          "type": "string",
          "description": "Rho",
          "constraints": ""
        }
      ]
    }
  },
  "source_version": "v4.106.132",
  "source_url": "https://github.com/gate/gateapi-python/blob/cd2cac4d339ec0734480787d23c020f467fd7b80/openapi.yaml",
  "local_tool_limits": [
    "仅检查必填、枚举和简单数值范围",
    "复杂类型序列化、条件必填、时间窗口等以官方规则为准",
    "不会发起 API 请求"
  ]
}