Open interest

Subscribe to open interest updates for a symbol via WebSocket, with 1s change and 10s forced push.

Push interval: push every 1 second if open interest change and 10 seconds force update even if no change.

{
  "id": "clientID10",
  "topic": "PERP_ETH_USDC@openinterest",
  "event": "subscribe"
}

Parameters

Name	Type	Required	Description
id	string	Y	id generate by client
event	string	Y	subscribe/unsubscribe
topic	string	Y	{symbol}@openinterest

Response

{
   "id":"clientID10",
   "event":"subscribe",
   "success":true,
   "ts":1682242071080
}

Subscribed Message

{
   "topic":"PERP_ETH_USDC@openinterest",
   "ts":1682242080006,
   "data":{
      "symbol":"PERP_ETH_USDC",
      "openInterest":1.2741
   }
}