Get Open Interest History

Description

Query the historical open interest for futures trading pairs.

HTTP Request

• GET /api/v3/market/open-interest-history
• Rate limit: 10/sec/IP

Request

curl "https://api.bitget.com/api/v3/market/open-interest-history?category=usdt-futures&symbol=BTCUSDT&period=1h&openInterestSide=one_way&limit=100" \
  -H "locale:en-US" \
  -H "Content-Type: application/json"

Request Parameters

Parameter	Type	Required	Description
symbol	String	Yes	Symbol name
period	String	Yes	Time granularity Default 5m Supports 5m, 15m, 30m, 1h, 2h, 4h, 6h, 12h, 1d

Response

{
  "code": "00000",
  "msg": "success",
  "requestTime": 1756616400000,
  "data": {
    "list": [
      {
        "symbol": "BTCUSDT",
        "openInterest": "2243.019",
        "oneSideOpenInterest": "1121.5095",
        "openInterestValue": "193486281.47",
        "oneSideOpenInterestValue": "96743140.735",
        "timestamp": "1756616400000"
      }
    ]
  }
}

Response Parameters

Parameter	Type	Description
list	List<Object>	Open interest data set
> symbol	String	Symbol name
> openInterest	String	Open interest Unit: base coin
> oneSideOpenInterest	String	Open interest (one-way) Unit: base coin
> openInterestValue	String	Open interest value Unit: quote coin openInterestValue = openInterest * markPrice
> oneSideOpenInterestValue	String	Open interest value (one-way) Unit: quote coin
> timestamp	String	End timestamp of this period A Unix millisecond timestamp