TagField NameXML NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
66ListID @ListID
@ID in ProgramTrading

Unique identifier for list as assigned by institution, used to associate multiple individual orders. Uniqueness must be guaranteed within a single trading day. Firms which generate multi-day orders should consider embedding a date within the ListID field to assure uniqueness across days.

Added  FIX.2.7

Used in messages:
[ExecutionReport] [ListCancelRequest] [ListExecute] [ListStatus] [ListStatusRequest] [ListStrikePrice] [NewOrderList] [OrderCancelReject] [OrderCancelReplaceRequest] [OrderCancelRequest]

Used in components:
[BidCompReqGrp] [BidCompRspGrp] [OrdAllocGrp] [TrdCapRptSideGrp]