D.1.a:One cancel/replace request is issued which is accepted — another one is issued which is also accepted – Appendix D: Order State Change Matrices – FIX 5.0 SP2 – FIX Dictionary

D.1.a — One cancel/replace request is issued which is accepted — another one is issued which is also accepted

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		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		Execution (Y,X)	Pending Replace	Pending Replace	10000	1000	9000	0	"Pending replace" order status takes precedence over "partially filled" order status
6		Execution(X)	Trade	Pending Replace	10000	1500	8500	500	Execution for 500
7		Execution (Y,X)	Replace	Partially Filled	8000	1500	6500	0
8		Execution (Y)	Trade	Partially Filled	8000	3500	4500	2000	Execution for 2000
9	Replace Request(Z,Y)				6000				Request decrease in order quantity to 6000, leaving 2500 open
10		Execution (Z,Y)	Pending Replace	Pending Replace	8000	3500	4500	0
11		Execution(Y)	Trade	Pending Replace	8000	4000	4000	500	Execution for 500
12		Execution (Z,Y)	Replace	Partially Filled	6000	4000	2000	0
13		Execution(Z)	Trade	Filled	6000	6000	0	2000	Execution for 2000