The standard FIX message header
Pedigree Added FIX.4.0
Updated EP271
Expand Components | Collapse Components
| Field or Component | Field Name | Abbr Name | Req'd | Comments | Pedigree |
|---|
 | 8 | BeginString | BeginString | Y | FIXT.1.1 (Always unencrypted, must be first field in message) | Added FIX.4.0 |
| 9 | BodyLength | BodyLength | Y | (Always unencrypted, must be second field in message) | Added FIX.4.0 |
| 35 | MsgType | MsgTyp | Y | (Always unencrypted, must be third field in message) | Added FIX.4.0 |
| 1128 | ApplVerID | ApplVerID | Indicates application version using a service pack identifier. The ApplVerID applies to a specific message occurrence. | Added EP-1 | |
| 1156 | ApplExtID | ApplExtID | Added EP-1 | ||
| 1129 | CstmApplVerID | CstmApplVerID | Used to support bilaterally agreed custom functionality | Added EP-1 | |
| 49 | SenderCompID | SID | Y | (Always unencrypted) | Added FIX.4.0 |
| 56 | TargetCompID | TID | Y | (Always unencrypted) | Added FIX.4.0 |
| 115 | OnBehalfOfCompID | OBID | Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 128 | DeliverToCompID | D2ID | Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 90 | SecureDataLen | SecureDataLen | Required to identify length of encrypted section of message. (Always unencrypted) | Added FIX.4.0 Updated EP195 Deprecated EP195 | |
| 91 | SecureData | SecureData | Required when message body is encrypted. Always immediately follows SecureDataLen field. | Added FIX.4.0 Updated EP195 Deprecated EP195 | |
| 34 | MsgSeqNum | SeqNum | Y | (Can be embedded within encrypted data section.) | Added FIX.4.0 |
| 50 | SenderSubID | SSub | (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 142 | SenderLocationID | SLoc | Sender's LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.) | Added FIX.4.1 | |
| 57 | TargetSubID | TSub | ADMINreserved for administrative messages not intended for a specific user. (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 143 | TargetLocationID | TLoc | Trading partner LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.) | Added FIX.4.1 | |
| 116 | OnBehalfOfSubID | OBSub | Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 144 | OnBehalfOfLocationID | OBLoc | Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.) | Added FIX.4.1 | |
| 129 | DeliverToSubID | D2Sub | Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 145 | DeliverToLocationID | D2Loc | Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.) | Added FIX.4.1 | |
| 43 | PossDupFlag | PosDup | Always required for retransmitted messages, whether prompted by the sending system or as the result of a resend request. (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 97 | PossResend | PosRsnd | Required when message may be duplicate of another message sent under a different sequence number. (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 52 | SendingTime | Snt | Y | (Can be embedded within encrypted data section.) | Added FIX.4.0 |
| 122 | OrigSendingTime | OrigSnt | Required for message resent as a result of a ResendRequest. If data is not available set to same value as SendingTime (Can be embedded within encrypted data section.) | Added FIX.4.0 | |
| 212 | XmlDataLen | XmlDataLen | Required when specifying XmlData to identify the length of a XmlData message block. (Can be embedded within encrypted data section.) | Added FIX.4.2 | |
| 213 | XmlData | XmlData | Can contain a XML formatted message block (e.g. FIXML). Always immediately follows XmlDataLen field. (Can be embedded within encrypted data section.) See Volume 1: FIXML Support | Added FIX.4.2 | |
| 347 | MessageEncoding | MsgEncd | Type of message encoding (non-ASCII characters) used in a message's Encodedfields. Required if any Encodingfields are used. | Added FIX.4.2 | |
| 369 | LastMsgSeqNumProcessed | LastMsgSeqNumProced | The last MsgSeqNum value received by the FIX engine and processed by downstream application, such as trading system or order routing system. Can be specified on every message sent. Useful for detecting a backlog with a counterparty. | Added FIX.4.2 |
| Component | HopGrp | Hop | Number of repeating groups of historical hopinformation. Only applicable if OnBehalfOfCompID is used, however, its use is optional. Note that some market regulations or counterparties may require tracking of message hops. | Added EP-1 |
|