| MsgType | MessageName | FIXMLName | Category | Section | Volume | FIXML? |
|---|---|---|---|---|---|---|
| 0 | Heartbeat | Heartbeat | Session | Session | Volume2 | No |
| 1 | TestRequest | TestRequest | Session | Session | Volume2 | No |
| 2 | ResendRequest | ResendRequest | Session | Session | Volume2 | No |
| 3 | Reject | Reject | Session | Session | Volume2 | No |
| 4 | SequenceReset | SequenceReset | Session | Session | Volume2 | No |
| 5 | Logout | Logout | Session | Session | Volume2 | No |
| 6 | IOI | IOI | Indication | Pre Trade | Volume3 | |
| 7 | Advertisement | Adv | Indication | Pre Trade | Volume3 | |
| 8 | ExecutionReport | ExecRpt | SingleGeneralOrderHandling | Trade | Volume4 | |
| 9 | OrderCancelReject | OrdCxlRej | SingleGeneralOrderHandling | Trade | Volume4 | |
| A | Logon | Logon | Session | Session | Volume2 | No |
| B | News | News | EventCommunication | Pre Trade | Volume3 | |
| C | EventCommunication | Pre Trade | Volume3 | |||
| D | NewOrderSingle | Order | SingleGeneralOrderHandling | Trade | Volume4 | |
| E | NewOrderList | NewOrdList | ProgramTrading | Trade | Volume4 | |
| F | OrderCancelRequest | OrdCxlReq | SingleGeneralOrderHandling | Trade | Volume4 | |
| G | OrderCancelReplaceRequest | OrdCxlRplcReq | SingleGeneralOrderHandling | Trade | Volume4 | |
| H | OrderStatusRequest | OrdStatReq | SingleGeneralOrderHandling | Trade | Volume4 | |
| J | AllocationInstruction | AllocInstrctn | Allocation | Post Trade | Volume5 | |
| K | ListCancelRequest | ListCxlReq | ProgramTrading | Trade | Volume4 | |
| L | ListExecute | ListExct | ProgramTrading | Trade | Volume4 | |
| M | ListStatusRequest | ListStatReq | ProgramTrading | Trade | Volume4 | |
| N | ListStatus | ListStat | ProgramTrading | Trade | Volume4 | |
| P | AllocationInstructionAck | AllocInstrctnAck | Allocation | Post Trade | Volume5 | |
| Q | DontKnowTradeDK | DkTrd | SingleGeneralOrderHandling | Trade | Volume4 | |
| R | QuoteRequest | QuotReq | QuotationNegotiation | Pre Trade | Volume3 | |
| S | Quote | Quot | QuotationNegotiation | Pre Trade | Volume3 | |
| T | SettlementInstructions | SettlInstrctns | SettlementInstruction | Post Trade | Volume5 | |
| V | MarketDataRequest | MktDataReq | MarketData | Pre Trade | Volume3 | No |
| W | MarketDataSnapshotFullRefresh | MktDataFull | MarketData | Pre Trade | Volume3 | |
| X | MarketDataIncrementalRefresh | MktDataInc | MarketData | Pre Trade | Volume3 | |
| Y | MarketDataRequestReject | MktDataReqRej | MarketData | Pre Trade | Volume3 | |
| Z | QuoteCancel | QuotCxl | QuotationNegotiation | Pre Trade | Volume3 | |
| a | QuoteStatusRequest | QuotStatReq | QuotationNegotiation | Pre Trade | Volume3 | |
| b | MassQuoteAcknowledgement | MassQuotAck | QuotationNegotiation | Pre Trade | Volume3 | |
| c | SecurityDefinitionRequest | SecDefReq | ReferenceData | Pre Trade | Volume3 | |
| d | SecurityDefinition | SecDef | ReferenceData | Pre Trade | Volume3 | |
| e | SecurityStatusRequest | SecStatReq | ReferenceData | Pre Trade | Volume3 | |
| f | SecurityStatus | SecStat | ReferenceData | Pre Trade | Volume3 | |
| g | TradingSessionStatusRequest | TrdgSesStatReq | MarketStructure | Pre Trade | Volume3 | |
| h | TradingSessionStatus | TrdgSesStat | MarketStructure | Pre Trade | Volume3 | |
| i | MassQuote | MassQuot | QuotationNegotiation | Pre Trade | Volume3 | |
| j | BusinessMessageReject | BizMsgRej | BusinessReject | Infrastructure | Volume1 | |
| k | BidRequest | BidReq | ProgramTrading | Trade | Volume4 | |
| l | BidResponse | BidRsp | ProgramTrading | Trade | Volume4 | |
| m | ListStrikePrice | ListStrkPx | ProgramTrading | Trade | Volume4 | |
| n | XML_non_FIX | XML_non_FIX | Session | Session | Volume1 | No |
| o | RegistrationInstructions | RgstInstrctns | RegistrationInstruction | Post Trade | Volume3 | |
| p | RegistrationInstructionsResponse | RgstInstrctnsRsp | RegistrationInstruction | Post Trade | Volume3 | |
| q | OrderMassCancelRequest | OrdMassCxlReq | OrderMassHandling | Trade | Volume4 | |
| r | OrderMassCancelReport | OrdMassCxlRpt | OrderMassHandling | Trade | Volume4 | |
| s | NewOrderCross | NewOrdCrss | CrossOrders | Trade | Volume4 | |
| t | CrossOrderCancelReplaceRequest | CrssOrdCxlRplcReq | CrossOrders | Trade | Volume4 | |
| u | CrossOrderCancelRequest | CrssOrdCxlReq | CrossOrders | Trade | Volume4 | |
| v | SecurityTypeRequest | SecTypReq | ReferenceData | Pre Trade | Volume3 | |
| w | SecurityTypes | SecTyps | ReferenceData | Pre Trade | Volume3 | |
| x | SecurityListRequest | SecListReq | ReferenceData | Pre Trade | Volume3 | |
| y | SecurityList | SecList | ReferenceData | Pre Trade | Volume3 | |
| z | DerivativeSecurityListRequest | DerivSecListReq | ReferenceData | Pre Trade | Volume3 | |
| AA | DerivativeSecurityList | DerivSecList | ReferenceData | Pre Trade | Volume3 | |
| AB | NewOrderMultileg | NewOrdMleg | MultilegOrders | Trade | Volume4 | |
| AC | MultilegOrderCancelReplace | MlegOrdCxlRplc | MultilegOrders | Trade | Volume4 | |
| AD | TradeCaptureReportRequest | TrdCaptRptReq | TradeCapture | Post Trade | Volume5 | |
| AE | TradeCaptureReport | TrdCaptRpt | TradeCapture | Post Trade | Volume5 | |
| AF | OrderMassStatusRequest | OrdMassStatReq | OrderMassHandling | Trade | Volume4 | |
| AG | QuoteRequestReject | QuotReqRej | QuotationNegotiation | Pre Trade | Volume3 | |
| AH | RFQRequest | RFQReq | QuotationNegotiation | Pre Trade | Volume3 | |
| AI | QuoteStatusReport | QuotStatRpt | QuotationNegotiation | Pre Trade | Volume3 | |
| AJ | QuoteResponse | QuotRsp | QuotationNegotiation | Pre Trade | Volume3 | |
| AK | Confirmation | Cnfm | Confirmation | Post Trade | Volume5 | |
| AL | PositionMaintenanceRequest | PosMntReq | PositionMaintenance | Post Trade | Volume5 | |
| AM | PositionMaintenanceReport | PosMntRpt | PositionMaintenance | Post Trade | Volume5 | |
| AN | RequestForPositions | ReqForPoss | PositionMaintenance | Post Trade | Volume5 | |
| AO | RequestForPositionsAck | ReqForPossAck | PositionMaintenance | Post Trade | Volume5 | |
| AP | PositionReport | PosRpt | PositionMaintenance | Post Trade | Volume5 | |
| AQ | TradeCaptureReportRequestAck | TrdCaptRptReqAck | TradeCapture | Post Trade | Volume5 | |
| AR | TradeCaptureReportAck | TrdCaptRptAck | TradeCapture | Post Trade | Volume5 | |
| AS | AllocationReport | AllocRpt | Allocation | Post Trade | Volume5 | |
| AT | AllocationReportAck | AllocRptAck | Allocation | Post Trade | Volume5 | |
| AU | Confirmation_Ack | CnfmAck | Confirmation | Post Trade | Volume5 | |
| AV | SettlementInstructionRequest | SettlInstrctnReq | SettlementInstruction | Post Trade | Volume5 | |
| AW | AssignmentReport | AsgnRpt | PositionMaintenance | Post Trade | Volume5 | |
| AX | CollateralRequest | CollReq | CollateralManagement | Post Trade | Volume5 | |
| AY | CollateralAssignment | CollAsgn | CollateralManagement | Post Trade | Volume5 | |
| AZ | CollateralResponse | CollRsp | CollateralManagement | Post Trade | Volume5 | |
| BA | CollateralReport | CollRpt | CollateralManagement | Post Trade | Volume5 | |
| BB | CollateralInquiry | CollInq | CollateralManagement | Post Trade | Volume5 | |
| BC | NetworkCounterpartySystemStatusRequest | NtwkSysStatReq | Network | Infrastructure | Volume1 | |
| BD | NetworkCounterpartySystemStatusResponse | NtwkSysStatRsp | Network | Infrastructure | Volume1 | |
| BE | UserRequest | UserReq | UserManagement | Infrastructure | Volume1 | |
| BF | UserResponse | UserRsp | UserManagement | Infrastructure | Volume1 | |
| BG | CollateralInquiryAck | CollInqAck | CollateralManagement | Post Trade | Volume5 | |
| BH | ConfirmationRequest | CnfmReq | Confirmation | Post Trade | Volume5 | |
| BO | ContraryIntentionReport | ContIntRpt | PositionMaintenance | Post Trade | Volume5 | |
| BP | SecurityDefinitionUpdateReport | SecDefUpd | ReferenceData | Pre Trade | Volume3 | |
| BK | SecurityListUpdateReport | SecListUpd | ReferenceData | Pre Trade | Volume3 | |
| BL | AdjustedPositionReport | AdjPosRpt | PositionMaintenance | Post Trade | Volume5 | |
| BM | AllocationInstructionAlert | AllocInstrAlert | Allocation | Post Trade | Volume5 | |
| BN | ExecutionAcknowledgement | ExecAck | SingleGeneralOrderHandling | Trade | Volume4 | |
| BJ | TradingSessionList | TrdgSesList | MarketStructure | Pre Trade | Volume3 | |
| BI | TradingSessionListRequest | TrdgSesListReq | MarketStructure | Pre Trade | Volume3 | |
| BQ | SettlementObligationReport | SettlObligation | SettlementInstruction | Post Trade | Volume5 | |
| BR | DerivativeSecurityListUpdateReport | DerivSecListUpd | ReferenceData | Pre Trade | Volume3 | |
| BS | TradingSessionListUpdateReport | TrdgSesListUpd | MarketStructure | Pre Trade | Volume3 | |
| BT | MarketDefinitionRequest | MktDefReq | MarketStructure | Pre Trade | Volume3 | |
| BU | MarketDefinition | MktDef | MarketStructure | Pre Trade | Volume3 | |
| BV | MarketDefinitionUpdateReport | MktDefUpd | MarketStructure | Pre Trade | Volume3 | |
| BW | ApplicationMessageRequest | ApplMsgReq | Application | Infrastructure | Volume1 | |
| BX | ApplicationMessageRequestAck | ApplMsgReqAck | Application | Infrastructure | Volume1 | |
| BY | ApplicationMessageReport | ApplMsgRpt | Application | Infrastructure | Volume1 | |
| BZ | OrderMassActionReport | OrdMassActRpt | OrderMassHandling | Trade | Volume4 | |
| CA | OrderMassActionRequest | OrdMassActReq | OrderMassHandling | Trade | Volume4 | |
| CB | UserNotification | UserNotifctn | UserManagement | Infrastructure | Volume1 |