Ticker Streams

Type: NONE

WS ticker:<symbol>

Status: Implemented. Covers Binance <symbol>@ticker, <symbol>@miniTicker and <symbol>@markPrice. There is no all-market array stream (!ticker@arr, !miniTicker@arr, !markPrice@arr) — subscribe per symbol.

Subscribe

{ "type": "subscribe", "channel": "ticker:BTCUSDT" }

Payload (snapshot on subscribe, then every 2 s)

{
  "type": "ticker",
  "symbol": "BTCUSDT",
  "last_price": "97500.00",
  "mark_price": "97500.50",
  "index_price": "97480.00",
  "price_change_24h": "1200.50",
  "price_change_percent_24h": "1.25",
  "high_24h": "98200.00",
  "low_24h": "96100.00",
  "volume_24h": "12345.67",
  "volume_24h_usd": "1204234567.00",
  "open_interest_long": "52300000.00",
  "open_interest_short": "48700000.00",
  "open_interest_long_percent": "52",
  "open_interest_short_percent": "48",
  "available_liquidity_long": "1000000.00",
  "available_liquidity_short": "1000000.00",
  "funding_rate_long_1h": "-0.0000125",
  "funding_rate_short_1h": "0.0000125"
}

Field	Notes
mark_price / index_price	Same values as GET /fapi/v1/premiumIndex
open_interest_*	USD notional per side and their share of total OI
funding_rate_*_1h	Hourly-equivalent funding for each side; negative means that side pays