这是indexloc提供的服务，不要输入任何密码
TagField NameXML NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
823UnderlyingTradingSessionSubID @UndSesSubString

Trading Session sub identifier in which the underlying instrument trades



 Added  FIX.4.4
Used in messages:
[TradeCaptureReport]
Used in components: