CboeOptionsSymbolData(CboeOptionsSymbolData)

{
    "symbol": "string",
    "timestamp": "string",
    "underlying": {
        "symbol": "string",
        "security_type": "string",
        "current_price": 0,
        "price_change": 0,
        "price_change_percent": 0,
        "bid": 0,
        "ask": 0
    },
    "contracts_count": 0,
    "contracts": [
        {
            "contract": "string",
            "bid": 0,
            "ask": 0,
            "last": 0,
            "volume": 0,
            "open_interest": 0,
            "iv": 0,
            "delta": 0,
            "gamma": 0,
            "vega": 0,
            "theta": 0,
            "rho": 0,
            "theo": 0,
            "change": 0,
            "open": 0,
            "high": 0,
            "low": 0,
            "tick": "string"
        }
    ]
}