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.4.2, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240.