| ◈ StandardHeader [Component] | | Y | MsgType = 3 | FIX.2.7 |
| 8 | BeginString | String | Y | FIXT.1.1 (Always unencrypted, must be first field in message) | FIX.4.0 |
| 9 | BodyLength | Length | Y | (Always unencrypted, must be second field in message) | FIX.4.0 |
| 35 | MsgType | String | Y | (Always unencrypted, must be third field in message)
▶ 113 enum values
| Value | Name | Description |
| 0 | Heartbeat | Heartbeat | | 1 | TestRequest | TestRequest | | 2 | ResendRequest | ResendRequest | | 3 | Reject | Reject | | 4 | SequenceReset | SequenceReset | | 5 | Logout | Logout | | 6 | IOI | IOI | | 7 | Advertisement | Advertisement | | 8 | ExecutionReport | ExecutionReport | | 9 | OrderCancelReject | OrderCancelReject | | A | Logon | Logon | | AA | DerivativeSecurityList | DerivativeSecurityList | | AB | NewOrderMultileg | NewOrderMultileg | | AC | MultilegOrderCancelReplace | MultilegOrderCancelReplace | | AD | TradeCaptureReportRequest | TradeCaptureReportRequest | | AE | TradeCaptureReport | TradeCaptureReport | | AF | OrderMassStatusRequest | OrderMassStatusRequest | | AG | QuoteRequestReject | QuoteRequestReject | | AH | RFQRequest | RFQRequest | | AI | QuoteStatusReport | QuoteStatusReport | | AJ | QuoteResponse | QuoteResponse | | AK | Confirmation | Confirmation | | AL | PositionMaintenanceRequest | PositionMaintenanceRequest | | AM | PositionMaintenanceReport | PositionMaintenanceReport | | AN | RequestForPositions | RequestForPositions | | AO | RequestForPositionsAck | RequestForPositionsAck | | AP | PositionReport | PositionReport | | AQ | TradeCaptureReportRequestAck | TradeCaptureReportRequestAck | | AR | TradeCaptureReportAck | TradeCaptureReportAck | | AS | AllocationReport | AllocationReport | | AT | AllocationReportAck | AllocationReportAck | | AU | ConfirmationAck | ConfirmationAck | | AV | SettlementInstructionRequest | SettlementInstructionRequest | | AW | AssignmentReport | AssignmentReport | | AX | CollateralRequest | CollateralRequest | | AY | CollateralAssignment | CollateralAssignment | | AZ | CollateralResponse | CollateralResponse | | B | News | News | | BA | CollateralReport | CollateralReport | | BB | CollateralInquiry | CollateralInquiry | | BC | NetworkCounterpartySystemStatusRequest | NetworkCounterpartySystemStatusRequest | | BD | NetworkCounterpartySystemStatusResponse | NetworkCounterpartySystemStatusResponse | | BE | UserRequest | UserRequest | | BF | UserResponse | UserResponse | | BG | CollateralInquiryAck | CollateralInquiryAck | | BH | ConfirmationRequest | ConfirmationRequest | | BI | TradingSessionListRequest | TradingSessionListRequest | | BJ | TradingSessionList | TradingSessionList | | BK | SecurityListUpdateReport | SecurityListUpdateReport | | BL | AdjustedPositionReport | AdjustedPositionReport | | BM | AllocationInstructionAlert | AllocationInstructionAlert | | BN | ExecutionAcknowledgement | ExecutionAcknowledgement | | BO | ContraryIntentionReport | ContraryIntentionReport | | BP | SecurityDefinitionUpdateReport | SecurityDefinitionUpdateReport | | BQ | SettlementObligationReport | SettlementObligationReport | | BR | DerivativeSecurityListUpdateReport | DerivativeSecurityListUpdateReport | | BS | TradingSessionListUpdateReport | TradingSessionListUpdateReport | | BT | MarketDefinitionRequest | MarketDefinitionRequest | | BU | MarketDefinition | MarketDefinition | | BV | MarketDefinitionUpdateReport | MarketDefinitionUpdateReport | | BW | ApplicationMessageRequest | ApplicationMessageRequest | | BX | ApplicationMessageRequestAck | ApplicationMessageRequestAck | | BY | ApplicationMessageReport | ApplicationMessageReport | | BZ | OrderMassActionReport | OrderMassActionReport | | C | Email | Email | | CA | OrderMassActionRequest | OrderMassActionRequest | | CB | UserNotification | UserNotification | | D | NewOrderSingle | NewOrderSingle | | E | NewOrderList | NewOrderList | | F | OrderCancelRequest | OrderCancelRequest | | G | OrderCancelReplaceRequest | OrderCancelReplaceRequest | | H | OrderStatusRequest | OrderStatusRequest | | J | AllocationInstruction | AllocationInstruction | | K | ListCancelRequest | ListCancelRequest | | L | ListExecute | ListExecute | | M | ListStatusRequest | ListStatusRequest | | N | ListStatus | ListStatus | | P | AllocationInstructionAck | AllocationInstructionAck | | Q | DontKnowTrade | DontKnowTrade | | R | QuoteRequest | QuoteRequest | | S | Quote | Quote | | T | SettlementInstructions | SettlementInstructions | | V | MarketDataRequest | MarketDataRequest | | W | MarketDataSnapshotFullRefresh | MarketDataSnapshotFullRefresh | | X | MarketDataIncrementalRefresh | MarketDataIncrementalRefresh | | Y | MarketDataRequestReject | MarketDataRequestReject | | Z | QuoteCancel | QuoteCancel | | a | QuoteStatusRequest | QuoteStatusRequest | | b | MassQuoteAcknowledgement | MassQuoteAcknowledgement | | c | SecurityDefinitionRequest | SecurityDefinitionRequest | | d | SecurityDefinition | SecurityDefinition | | e | SecurityStatusRequest | SecurityStatusRequest | | f | SecurityStatus | SecurityStatus | | g | TradingSessionStatusRequest | TradingSessionStatusRequest | | h | TradingSessionStatus | TradingSessionStatus | | i | MassQuote | MassQuote | | j | BusinessMessageReject | BusinessMessageReject | | k | BidRequest | BidRequest | | l | BidResponse | BidResponse | | m | ListStrikePrice | ListStrikePrice | | n | XMLnonFIX | XMLnonFIX | | o | RegistrationInstructions | RegistrationInstructions | | p | RegistrationInstructionsResponse | RegistrationInstructionsResponse | | q | OrderMassCancelRequest | OrderMassCancelRequest | | r | OrderMassCancelReport | OrderMassCancelReport | | s | NewOrderCross | NewOrderCross | | t | CrossOrderCancelReplaceRequest | CrossOrderCancelReplaceRequest | | u | CrossOrderCancelRequest | CrossOrderCancelRequest | | v | SecurityTypeRequest | SecurityTypeRequest | | w | SecurityTypes | SecurityTypes | | x | SecurityListRequest | SecurityListRequest | | y | SecurityList | SecurityList | | z | DerivativeSecurityListRequest | DerivativeSecurityListRequest |
| FIX.4.0 |
| 1128 | ApplVerID | String | N | Indicates application version using a service pack identifier. The ApplVerID applies to a specific message occurrence.
▶ 9 enum values
| Value | Name | Description |
| 0 | FIX27 | FIX27 | | 1 | FIX30 | FIX30 | | 2 | FIX40 | FIX40 | | 3 | FIX41 | FIX41 | | 4 | FIX42 | FIX42 | | 5 | FIX43 | FIX43 | | 6 | FIX44 | FIX44 | | 7 | FIX50 | FIX50 | | 8 | FIX50SP1 | FIX50SP1 |
| FIX.4.4 |
| 1156 | ApplExtID | int | N | The extension pack number associated with an application message. | FIX.5.0 |
| 1129 | CstmApplVerID | String | N | Used to support bilaterally agreed custom functionality | FIX.4.4 |
| 49 | SenderCompID | String | Y | (Always unencrypted) | FIX.4.0 |
| 56 | TargetCompID | String | Y | (Always unencrypted) | FIX.4.0 |
| 115 | OnBehalfOfCompID | String | N | Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.) | FIX.4.0 |
| 128 | DeliverToCompID | String | N | Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.) | FIX.4.0 |
| 90 | SecureDataLen | Length | N | Required to identify length of encrypted section of message. (Always unencrypted) | FIX.4.0 |
| 91 | SecureData | data | N | Required when message body is encrypted. Always immediately follows SecureDataLen field. | FIX.4.0 |
| 34 | MsgSeqNum | SeqNum | Y | (Can be embedded within encrypted data section.) | FIX.4.0 |
| 50 | SenderSubID | String | N | (Can be embedded within encrypted data section.) | FIX.4.0 |
| 142 | SenderLocationID | String | N | Sender's LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.) | FIX.4.1 |
| 57 | TargetSubID | String | N | "ADMIN" reserved for administrative messages not intended for a specific user. (Can be embedded within encrypted data section.) | FIX.4.0 |
| 143 | TargetLocationID | String | N | Trading partner LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.) | FIX.4.1 |
| 116 | OnBehalfOfSubID | String | N | Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.) | FIX.4.0 |
| 144 | OnBehalfOfLocationID | String | N | 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.) | FIX.4.1 |
| 129 | DeliverToSubID | String | N | Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.) | FIX.4.0 |
| 145 | DeliverToLocationID | String | N | 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.) | FIX.4.1 |
| 43 | PossDupFlag | Boolean | N | 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.)
▶ 2 enum values
| Value | Name | Description |
| N | OriginalTransmission | Original transmission | | Y | PossibleDuplicate | Possible duplicate |
| FIX.4.0 |
| 97 | PossResend | Boolean | N | Required when message may be duplicate of another message sent under a different sequence number. (Can be embedded within encrypted data section.)
▶ 2 enum values
| Value | Name | Description |
| N | OriginalTransmission | Original Transmission | | Y | PossibleResend | Possible Resend |
| FIX.4.0 |
| 52 | SendingTime | UTCTimestamp | Y | (Can be embedded within encrypted data section.) | FIX.4.0 |
| 122 | OrigSendingTime | UTCTimestamp | N | 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.) | FIX.4.0 |
| 212 | XmlDataLen | Length | N | Required when specifying XmlData to identify the length of a XmlData message block. (Can be embedded within encrypted data section.) | FIX.4.2 |
| 213 | XmlData | data | N | 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 | FIX.4.2 |
| 347 | MessageEncoding | String | N | Type of message encoding (non-ASCII characters) used in a message's "Encoded" fields. Required if any "Encoding" fields are used. | FIX.4.2 |
| 369 | LastMsgSeqNumProcessed | SeqNum | N | 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. | FIX.4.2 |
| ◈ HopGrp [Component] | | N | Number of repeating groups of historical "hop" information. Only applicable if OnBehalfOfCompID is used, however, its use is optional. Note that some market regulations or counterparties may require tracking of message hops. | FIX.4.4 |
| 627 | NoHops | NumInGroup | N | Number of HopCompID entries in repeating group. | FIX.4.4 |
| 628 | HopCompID | String | N | Assigned value used to identify the third party firm which delivered a specific message either from the firm which originated the message or from another third party (if multiple "hops" are performed). It is recommended that this value be the SenderCompID (49) of the third party.
Applicable when messages are communicated/re-distributed via third parties which function as service bureaus or "hubs". Only applicable if OnBehalfOfCompID (115) is being used. | FIX.4.4 |
| 629 | HopSendingTime | UTCTimestamp | N | Time that HopCompID (628) sent the message. It is recommended that this value be the SendingTime (52) of the message sent by the third party.
Applicable when messages are communicated/re-distributed via third parties which function as service bureaus or "hubs". Only applicable if OnBehalfOfCompID (115) is being used. | FIX.4.4 |
| 630 | HopRefID | SeqNum | N | Reference identifier assigned by HopCompID (628) associated with the message sent. It is recommended that this value be the MsgSeqNum (34) of the message sent by the third party.
Applicable when messages are communicated/re-distributed via third parties which function as service bureaus or "hubs". Only applicable if OnBehalfOfCompID (115) is being used. | FIX.4.4 |
| 45 | RefSeqNum | SeqNum | Y | MsgSeqNum of rejected message | FIX.2.7 |
| 371 | RefTagID | int | N | The tag number of the FIX field being referenced. | FIX.4.2 |
| 372 | RefMsgType | String | N | The MsgType of the FIX message being referenced. | FIX.4.2 |
| 1130 | RefApplVerID | String | N | Recommended when rejecting an application message that does not explicitly provide ApplVerID ( 1128) on the message being rejected. In this case the value from the DefaultApplVerID(1137) or the default value specified in the NoMsgTypes repeating group on the logon message should be provided. | FIX.5.0 |
| 1406 | RefApplExtID | int | N | Recommended when rejecting an application message that does not explicitly provide ApplExtID(1156) on the rejected message. In this case the value from the DefaultApplExtID(1407) or the default value specified in the NoMsgTypes repeating group on the logon message should be provided. | FIX.5.0 |
| 1131 | RefCstmApplVerID | String | N | Recommended when rejecting an application message that does not explicitly provide CstmApplVerID(1129) on the message being rejected. In this case the value from the DefaultCstmApplVerID(1408) or the default value specified in the NoMsgTypes repeating group on the logon message should be provided. | FIX.5.0 |
| 373 | SessionRejectReason | int | N | Code to identify reason for a session-level Reject message.
▶ 20 enum values
| Value | Name | Description |
| 0 | InvalidTagNumber | Invalid Tag Number | | 1 | RequiredTagMissing | Required Tag Missing | | 2 | TagNotDefinedForThisMessageType | Tag not defined for this message type | | 3 | UndefinedTag | Undefined tag | | 4 | TagSpecifiedWithoutAValue | Tag specified without a value | | 5 | ValueIsIncorrect | Value is incorrect (out of range) for this tag | | 6 | IncorrectDataFormatForValue | Incorrect data format for value | | 7 | DecryptionProblem | Decryption problem | | 8 | SignatureProblem | Signature problem | | 9 | CompIDProblem | CompID problem | | 10 | SendingTimeAccuracyProblem | SendingTime Accuracy Problem | | 11 | InvalidMsgType | Invalid MsgType | | 12 | XMLValidationError | XML Validation Error | | 13 | TagAppearsMoreThanOnce | Tag appears more than once | | 14 | TagSpecifiedOutOfRequiredOrder | Tag specified out of required order | | 15 | RepeatingGroupFieldsOutOfOrder | Repeating group fields out of order | | 16 | IncorrectNumInGroupCountForRepeatingGroup | Incorrect NumInGroup count for repeating group | | 17 | Non | Non "Data" value includes field delimiter (<SOH> character) | | 18 | Invalid | Invalid/Unsupported Application Version | | 99 | Other | Other |
| FIX.4.2 |
| 58 | Text | String | N | Where possible, message to explain reason for rejection | FIX.2.7 |
| 354 | EncodedTextLen | Length | N | Must be set if EncodedText field is specified and must immediately precede it. | FIX.4.2 |
| 355 | EncodedText | data | N | Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. | FIX.4.2 |
| ◈ StandardTrailer [Component] | | Y | The standard FIX message trailer | FIX.2.7 |
| 93 | SignatureLength | Length | N | Required when trailer contains signature. Note: Not to be included within SecureData field | FIX.4.0 |
| 89 | Signature | data | N | Note: Not to be included within SecureData field | FIX.4.0 |
| 10 | CheckSum | String | Y | (Always unencrypted, always last field in message) | FIX.4.0 |