Order Mass Cancel Request

Tag	Field Name	Required	Comments
Standard Header		Yes	MsgType <35> = q
11	CIOrdID	Yes	Client specified identifier of the mass cancel request
530	MassCancel RequestType	Yes	Valid values: ‘3’ – Cancel all firm orders for instrument ‘7’ – Cancel all firm open orders
1	Account	No*	If not specified, open orders for all accounts are listed for cancellation Required for sessions that route to multiple sub-accounts
55	Symbol	No*	Required if the scope of mass cancel is for an instrument
60	TransactTime	Yes	Time the mass cancel request was created (express in UTC)
Standard trailer		Yes

RAW
       8=FIX.4.4|9=92|35=q|49=JOSEPH|56=TradingGateway|34=42|52=20240218-15:56:32|11=1981400112|530=3|55=ETH-USDC|10=117        |

HEADER
       8                 BeginString: FIX 4.4
       9                  BodyLength: 92
      35                     MsgType: q (MassQuote)
      49                SenderCompID: JOSEPH
      56                TargetCompID: TradingGateway
      34                   MsgSeqNum: 42
      52                 SendingTime: 20240218-15:56:32

BODY
      11                     ClOrdID: 1981400112
     530       MassCancelRequestType: 3
      55                      Symbol: ETH-USDC

TRAILER
      10                    CheckSum: 117