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Standard Header & Trailer

Each FIX message sent to and received from the PMX platform must start and end with a message header and trailer components.

Standard Header Component

TagField NameReq’dData TypeComments
8BeginStringYStringFIXT.1.1
9BodyLengthYLengthStandard FIX message body length
35MsgTypeYStringThe message type. See relevant section.
49SenderCompIDYStringSender identity as agreed with the exchange operator.
56TargetCompIDYStringIntended target identity as agreed with the exchange operator.
50SenderSubIDCStringSender sub-identifier representing an individual user (as previously agreed with the exchange operator). Required on all application messages related to the entry or management of orders.
57TargetSubIDNStringTarget sub-identifier representing an individual user (as previously agreed with the exchange operator)
34MsgSeqNumYSeqNumFIX Message sequence number
43PossDupFlagNBooleanAlways required for retransmitted messages as the result of a resend request
52SendingTimeYUTCTimeSending time in UTC

Standard Trailer Component

TagField NameReq’dData TypeComments
10ChecksumYStringStandard FIX checksum