Type: MonthYear

Month and Year of the maturity for SecurityType=FUT or SecurityType=OPT. Required if MaturityDay is specified.
Format: YYYYMM
(i.e. 199903)

Added in protocol FIX.4.1

See in: FIX.4.1, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240.