OrderID (Tag = 37, Type: String)

Unique identifier for Order as assigned by broker. Uniqueness must be guaranteed within a single trading day. Firms which accept multi-day orders should consider embedding a date within the OrderID (37) field to assure uniqueness across days.

Used in:

• Execution Report (8)
• Order Cancel Reject (9)
• Email (C)
• Order Cancel Request (F)
• Order Cancel/Replace Request (G)
• Order Status Request (H)
• Allocation (J)
• Don't Know Trade (Q)
• Market Data - Snapshot/Full Refresh (W)
• Market Data - Incremental Refresh (X)

© 2026. EPAM Systems. All Rights Reserved.

All material contained within the website is copyright of EPAM Systems, Inc. No material contained herein can be copied or otherwise used without the express permission of the copyright holder.