The UnderlyingOptionExerciseExpirationDateGrp is a repeating subcomponent of the UnderlyingOptionExerciseExpiration component used to specify fixed dates for expiration.
| Tag | Name | Type | Required | Description | 
|---|---|---|---|---|
| 41856 | NumInGroup | Number of fixed exercise expiration dates in the repeating group.
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| 41857 | LocalMktDate | Required if NoUnderlyingOptionExpirationDates(41856) > 0
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| 41858 | Int Enum | When specified it applies not only to the current date but to all subsequent dates in the group until overridden with a new type
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