{
  "op": "subscribe",
  "args": [
    { "channel": "ticker", "symbol": "US500-BTC" },
    { "channel": "ticker", "symbol": "GOLD-BTC" }
  ]
}

{
  "topic": "ticker.US500-BTC",
  "type": "delta",
  "createdTime": 1640995200000000000,
  "data": {
    "symbol": "US500-BTC",
    "lastPrice": "50010.00",
    "indexPrice": "50005.00",
    "markPrice": "50007.50",
    "bestBid": "50005.00",
    "bestAsk": "50010.00",
    "best_bid_qty": "0.25",
    "best_ask_qty": "0.30",
    "openInterest": "12345.00",
    "open_interest_value": "12.34500000",
    "fundingRate": "0.00010000",
    "timestamp": 1640995200000000000,
    "unit": "btc"
  }
}

​
Overview

Ticker stream provides consolidated price statistics and state for a symbol, including last/index/mark prices, best bid/ask and sizes, funding rate, and open interest fields when available.

​
Channel Information

PropertyValue
Channel Nameticker
AuthenticationNo
Update FrequencyReal-time
Data TypeTicker delta snapshots

​
Subscribe

{
  "op": "subscribe",
  "args": [
    { "channel": "ticker", "symbol": "US500-BTC" },
    { "channel": "ticker", "symbol": "GOLD-BTC" }
  ]
}

​
Response Format

{
  "topic": "ticker.US500-BTC",
  "type": "delta",
  "createdTime": 1640995200000000000,
  "data": {
    "symbol": "US500-BTC",
    "lastPrice": "50010.00",
    "indexPrice": "50005.00",
    "markPrice": "50007.50",
    "bestBid": "50005.00",
    "bestAsk": "50010.00",
    "best_bid_qty": "0.25",
    "best_ask_qty": "0.30",
    "openInterest": "12345.00",
    "open_interest_value": "12.34500000",
    "fundingRate": "0.00010000",
    "timestamp": 1640995200000000000,
    "unit": "btc"
  }
}
​
data
object
Ticker fields (values may be omitted if not available)