Field UnderlyingComplexEventStartTime (2057) - FIX Protocol FIX.5.0SP2 EP240
Type: UTCTimeOnly
The start time of the time range on which a complex event date is effective. UnderlyingComplexEventStartTime (2057) must always be less than or equal to UndelryingComplexEventEndTime(2058).
Added in protocol FIX.5.0SP2 (161)