| 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) | New | New | 10000 | 0 | 10000 | 0 | ||
| 3 | Execution(X) | Trade | Partially Filled | 10000 | 1000 | 9000 | 1000 | Execution for 1000 | |
| 4 | Replace Request(Y,X) | 8000 | Request decrease in order quantity to 8000, leaving 7000 open | ||||||
| 5 | Replace Request(Z,Y) | 7000 | Request decrease in order quantity to 7000, leaving 6000 open Note OrigCOrdID set to last non rejected ClOrdID i.e. Y | ||||||
| 6 | Execution (Y,X) | Pending Replace | Pending Replace | 10000 | 1000 | 9000 | 0 | ||
| 7 | Cancel Reject (Z,X) | Pending Replace | Rejected because broker does not support processing of order cancel replace request whilst order is pending cancel. CxlRejReason = "Order already in pending cancel or pending replace status" OrigClOrdID set to last accepted ClOrdID i.e. X | ||||||
| 8 | Execution (Y,X) | Replace | Partially Filled | 8000 | 1000 | 7000 | 0 | ||
| 9 | Execution (Y) | Trade | Partially Filled | 8000 | 3000 | 5000 | 2000 | Execution for 2000 |
This matrix illustrates the case where the broker/order receiver does not support multiple outstanding order cancel or order cancel/replace requests