Skip to main content

Contract Info Stream

Stream Description​

ContractInfo stream pushes when contract info updates(listing/settlement/contract bracket update). bks field only shows up when bracket gets updated.

URL PATH​

/market

Stream Name​

!contractInfo

Update Speed​

Real-time

Response Example​

{
    "e":"contractInfo",          // Event Type
    "E":1669356423908,           // Event Time
    "s":"IOTAUSDT",              // Symbol
    "ct":"PERPETUAL",            // Contract type
    "dt":4133404800000,          // Delivery date time 
    "ot":1569398400000,          // onboard date time 
    "cs":"TRADING",              // Contract status 
    "bks":[
        {
            "bs":1,              // Notional bracket
            "bnf":0,             // Floor notional of this bracket
            "bnc":5000,          // Cap notional of this bracket
            "mmr":0.01,          // Maintenance ratio for this bracket
            "cf":0,              // Auxiliary number for quick calculation 
            "mi":21,             // Min leverage for this bracket
            "ma":50              // Max leverage for this bracket
        },
        {
            "bs":2,
            "bnf":5000,
            "bnc":25000,
            "mmr":0.025,
            "cf":75,
            "mi":11,
            "ma":20
        }
    ],
    "st": 1              // (After CM migration) Symbol type: 1 = UM, 2 = CM
}

After CM migration, this stream pushes the merged UM + CM universe (subscribable on both fstream and dstream); each payload is appended with a new st field (1 = UM, 2 = CM).