| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 390 | BidID | @BidID | String |
Unique identifier for Bid Response as assigned by sell-side (broker, exchange, ECN). Uniqueness must be guaranteed within a single trading day. | Added FIX.4.2 |
|