Event: Futures Balance and Position Update

Event Description

Event type is ACCOUNT_UPDATE.

• When balance or position get updated, this event will be pushed.

  • ACCOUNT_UPDATE will be pushed only when update happens on user's account, including changes on balances, positions, or margin type.
  • Unfilled orders or cancelled orders will not make the event ACCOUNT_UPDATE pushed, since there's no change on positions.
  • "position" in ACCOUNT_UPDATE: Only symbols of changed positions will be pushed.

• When "FUNDING FEE" changes to the user's balance, the event will be pushed with the brief message:

  • When "FUNDING FEE" occurs in a crossed position, ACCOUNT_UPDATE will be pushed with only the balance B(including the "FUNDING FEE" asset only), without any position P message.
  • When "FUNDING FEE" occurs in an isolated position, ACCOUNT_UPDATE will be pushed with only the balance B(including the "FUNDING FEE" asset only) and the relative position message P( including the isolated position on which the "FUNDING FEE" occurs only, without any other position message).

• The field "m" represents the reason type for the event and may shows the following possible types:

  • DEPOSIT
  • WITHDRAW
  • ORDER
  • FUNDING_FEE
  • WITHDRAW_REJECT
  • ADJUSTMENT
  • INSURANCE_CLEAR
  • ADMIN_DEPOSIT
  • ADMIN_WITHDRAW
  • MARGIN_TRANSFER
  • MARGIN_TYPE_CHANGE
  • ASSET_TRANSFER
  • OPTIONS_PREMIUM_FEE
  • OPTIONS_SETTLE_PROFIT
  • AUTO_EXCHANGE
  • COIN_SWAP_DEPOSIT
  • COIN_SWAP_WITHDRAW

• The field "bc" represents the balance change except for PnL and commission.

Event Name

ACCOUNT_UPDATE

Update Speed

50ms

Response Example

{
  "e": "ACCOUNT_UPDATE",                // Event Type
  "fs": "UM",                           // Event business unit. 'UM' for USDS-M futures and 'CM' for COIN-M futures
  "E": 1564745798939,                   // Event Time
  "T": 1564745798938 ,                  // Transaction
  "i":"",                           // Account Alias, ignore for UM
  "a":                                  // Update Data
    {
      "m":"ORDER",                      // Event reason type
      "B":[                             // Balances
        {
          "a":"USDT",                   // Asset
          "wb":"122624.12345678",       // Wallet Balance
          "cw":"100.12345678",          // Cross Wallet Balance
          "bc":"50.12345678"            // Balance Change except PnL and Commission
        },
        {
          "a":"BUSD",          
          "wb":"1.00000000",
          "cw":"0.00000000",        
          "bc":"-49.12345678"
        }
      ],
      "P":[
        {
          "s":"BTCUSDT",            // Symbol
          "pa":"0",                 // Position Amount
          "ep":"0.00000",            // Entry Price
          "cr":"200",               // (Pre-fee) Accumulated Realized
          "up":"0",                     // Unrealized PnL
          "ps":"BOTH",                   // Position Side
          "bep":"0.00000"            // breakeven price
        }，
        {
            "s":"BTCUSDT",
            "pa":"20",
            "ep":"6563.66500",
            "cr":"0",
            "up":"2850.21200",
            "ps":"LONG",
            "bep":"0.00000"            // breakeven price
         }
      ]
    }
}