| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 2620 | UnderlyingFutureID | FutID | String | In the case of an index underlier specifies the unique identifier for the referenced futures contract. Data domain controlled by field UnderlyingFutureIDSource(2621) | Added EP208 |
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