TagField NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
313UnderlyingMaturityMonthYearMonthYear

Underlying security’s MaturityMonthYear. Required if UnderlyingMaturityDay is specified.

See MaturityMonthYear field for description



Added  FIX.4.2

Used in messages:
[MassQuote] [QuoteAcknowledgement] [SecurityDefinition] [SecurityDefinitionRequest]