After Client successfully sent New Order Single message, the acknowledgment Execution Report messages for the new order will be sent by Server in two steps:
1. Optional step. Execution Report message on order placement in Server’s Order Book.
The following FIX tags are populated:
20 ExecTransType = 0 "New"
150 ExecType = A "PendingNew"
2. Execution Report message on receiving acknowledgement from exchange.
The following FIX tags are populated:
20 ExecTransType = 0 "New"
150 ExecType = 0 "New"
In DW and HM modes order type change is supported through the order restatement functionality. Currently used only to change the order type from MKT to LMT. The following FIX tags are populated instead:
20 ExecTransType = 0 "New"
150 ExecType = D "Restated"
40 OrdType = 2 "Limit"