| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 1988 | UnderlyingConstituentWeight | ConstuentWt | float | For a basket, or pool, describes the weight of each of the constituents within the basket. If not provided, it is assumed to be equal weighted. | Added EP161 |
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