| Tag | Field Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|
| 200 | MaturityMonthYear | MonthYear |
Can be used with standardized derivatives vs. the MaturityDate field. Month and Year of the maturity (used for standardized futures and options). Format: YYYYMM (i.e. 199903) | Added FIX.4.1 |
|