ticker book

request

format: tickerbook@{symbol}

eg: tickerbook@btc_usdt

rate: real

Best bid/ask (top-of-book) changes only. data.u is the matching updateId.

Response

{
    "ch": "tickerbook",                // channel family
    "event": "tickerbook@btc_usdt",    // subscription string
    "data": {
        "s": "btc_usdt",               // symbol
        "u": 128346,                   // matching updateId
        "bp": "64000.5",               // bid one price
        "bq": "1.23",                  // bid one quantity
        "ap": "64001.0",               // ask one price
        "aq": "0.88",                  // ask one quantity
        "ts": 1657586700119            // time (ms)
    }
}