{
   "id":"clientID7",
   "event":"subscribe",
   "success":true,
   "ts":1682241351985
}

{
   "topic":"SPOT_ETH_USDC@indexprice",
   "ts":1682241354000,
   "data":{
      "symbol":"SPOT_ETH_USDC",
      "price":1873.36
   }
}

Push interval: 1s

For index price, use SPOT symbol such as SPOT_ETH_USDC instead of PERP_ETH_USDC

{
    "id": "clientID7",
    "topic": "SPOT_ETH_USDC@indexprice",
    "event": "subscribe"
}

Parameters

NameTypeRequiredDescription
idstringYid generate by client
eventstringYsubscribe/unsubscribe
topicstringN{symbol}@indexprice
{
   "id":"clientID7",
   "event":"subscribe",
   "success":true,
   "ts":1682241351985
}

{
   "topic":"SPOT_ETH_USDC@indexprice",
   "ts":1682241354000,
   "data":{
      "symbol":"SPOT_ETH_USDC",
      "price":1873.36
   }
}
Price for Small ChartsIndex prices