TagField NameXML NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
631MidPx @MidPxPrice

Mid price/rate



Added  FIX.4.3

Used in messages:
[Quote] [QuoteResponse] [QuoteStatusReport]

Used in components:
[QuotEntryAckGrp] [QuotEntryGrp]