Time Message Received (ClOrdID, OrigClOrdID) Message Sent (ClOrdID, OrigClOrdID) Exec Type OrdStatus Order Qty Cum Qty Leaves Qty Last Qty Comment
1 New Order(X) 10000
2 Execution(X) Rejected Rejected 10000 0 0 0 If order is rejected by sell-side (broker, exchange, ECN)
2 Execution(X) New New 10000 0 10000 0
3 Replace Request(Y,X) 7000 Client wishes to amend order qty to 7000
3 Execution(X) Trade Partially Filled 10000 8000 2000 8000 Execution for 8000 – the replace message and this execution report pass each other on the connection
4 Execution (Y,X) Replace Filled 8000 8000 0 0 The replace request is interpreted as requiring the balance of the order to be canceled – the "filled" order status takes precedence over "canceled".