Per-underlying daily IV/HV history

GET /api/v1.0/quote/{code}/option-underlying-his-volatility

Per-underlying daily IV/HV history. Omit end_time for the latest page; count default 60 (max 260). Returns trading day, IV, HV, underlying price. For latest snapshot use quote.option_underlying_overview.

Parameters

Name	Type	In	Required	Description
code	string	path	yes	Underlying symbol, e.g. US.AAPL
count	int	query	no	Page size, default 60, max 260
end_time	string	query	no	End date YYYY-MM-DD; omit on first page for latest. Date YYYY-MM-DD in the security's market timezone
index_option_type	int	query	no	HK HSI/HSCEI index-option type; omit for equities

Example

curl -X GET 'https://webapi.moomoo.com/api/v1.0/quote/US.AAPL/option-underlying-his-volatility' \
  -H 'Authorization: Bearer <AccessToken>' | jq

Response parameters

Name	Type	Description
data.volatilities	object[]
data.volatilities[].time	string	Trading day YYYY-MM-DD. Date YYYY-MM-DD in the security's market timezone
data.volatilities[].timestamp	int	Trading-day timestamp , Unix microseconds
data.volatilities[].iv	number	Implied volatility (percent)
data.volatilities[].hv	number	Historical volatility (percent)
data.volatilities[].underlying_price	string	Underlying price

Errors

ret_code	error.code	Description
0	—	Success
-3	invalid_parameter	Missing or invalid parameter
-8	unsupported	Not supported
-10	no_data	No data

Response example

{
  "ret_code": 0,
  "ret_msg": "success",
  "data": {
    "volatilities": [
      {
        "time": "example",
        "timestamp": 1710000000000000,
        "iv": 1.2,
        "hv": 1.2,
        "underlying_price": "example"
      }
    ]
  }
}