{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://developer.tastytrade.com/schemas/market-data/InstrumentKey",
  "title": "InstrumentKey",
  "type": "object",
  "properties": {
    "symbol": {
      "type": "string"
    },
    "instrumentType": {
      "type": "string",
      "enum": [
        "Bond",
        "Cryptocurrency",
        "Equity",
        "Equity Offering",
        "Equity Option",
        "Fixed Income Security",
        "Future",
        "Future Option",
        "Index",
        "Liquidity Pool",
        "Mutual Fund",
        "Unknown"
      ]
    }
  }
}