Market Order Partial Fill

In the rare case a market order sweeps the book and only partially fills, two Execution Reports will be generated: one describing the partial fill and another cancelling the market order as it was only partially filled.

Partial Fill Execution Report

Here is an example of the partial fill Execution Report:

Code
 
RAW
8=FIX.4.4|9=237|35=8|34=3|49=GEMINI|52=20181023-18:05:07.978|56=DEV|6=448.06|11=CLWC3iFi6ygIyFSKVY|12=8.9612|13=3|14=1.0|17=44|31=448.06|32=1.0|37=42|39=1|54=1|55=BTCUSD|60=20150218-18:45:02.043|150=F|151=42.9788|152=500.0|479=USD|851=2|10=172|

HEADER
        8                   BeginString: FIX.4.4
        9                    BodyLength: 237
       34                     MsgSeqNum: 3
       35                       MsgType: ExecutionReport (8)
       49                  SenderCompID: GEMINI
       52                   SendingTime: 20181023-18:05:07.978
       56                  TargetCompID: DEV
BODY
        6                         AvgPx: 448.06
       11                       ClOrdID: CLWC3iFi6ygIyFSKVY
       12                    Commission: 8.9612
       13                      CommType: ABSOLUTE (3)
       14                        CumQty: 1.0
       17                        ExecID: 44
       31                        LastPx: 448.06
       32                       LastQty: 1.0
       37                       OrderID: 42
       39                     OrdStatus: PARTIALLY_FILLED (1)
       54                          Side: BUY (1)
       55                        Symbol: BTCUSD
       60                  TransactTime: 20150218-18:45:02.043
      150                      ExecType: TRADE (F)
      151                     LeavesQty: 42.9788
      152                  CashOrderQty: 500.0
      479                  CommCurrency: USD
      851              LastLiquidityInd: REMOVED_LIQUIDITY (2)
TRAILER
       10                      CheckSum: 172

Order Cancellation Execution Report

and the following Execution Report representing a cancellation of the order:

Code
 
RAW
8=FIX.4.4|9=199|35=8|34=4|49=GEMINI|52=20181023-18:05:07.984|56=DEV|6=448.06|11=CLWC3iFi6ygIyFSKVY|14=1.0|17=46|37=42|39=4|54=1|55=BTCUSD|58=MARKET_ORDER_SWEPT_BOOK|60=20150218-18:45:02.045|150=4|151=0|152=500.0|10=TRAILER|

HEADER
        8                   BeginString: FIX.4.4
        9                    BodyLength: 199
       34                     MsgSeqNum: 4
       35                       MsgType: ExecutionReport (8)
       49                  SenderCompID: GEMINI
       52                   SendingTime: 20181023-18:05:07.984
       56                  TargetCompID: DEV
BODY
        6                         AvgPx: 448.06
       11                       ClOrdID: CLWC3iFi6ygIyFSKVY
       14                        CumQty: 1.0
       17                        ExecID: 46
       37                       OrderID: 42
       39                     OrdStatus: CANCELED (4)
       54                          Side: BUY (1)
       55                        Symbol: BTCUSD
       58                          Text: MARKET_ORDER_SWEPT_BOOK
       60                  TransactTime: 20150218-18:45:02.045
      150                      ExecType: CANCELED (4)
      151                     LeavesQty: 0
      152                  CashOrderQty: 500.0
TRAILER
       10                      CheckSum: 184