Home / FIX.5.0SP2 / Messages / SequenceReset

SequenceReset

← SecurityTypes→ SettlementInstructionRequest
MsgType4
CategorySession
SectionSession
AddedFIX.2.7
Fields38
Components3
The sequence reset message is used by the sending application to reset the incoming sequence number on the opposing side.

Message Structure

38 fields, 3 components/groups — click any tag or field name for details
TagNameTypeReq DescriptionAdded
◈ StandardHeader [Component]YMsgType = 4FIX.2.7
8BeginStringStringYFIXT.1.1 (Always unencrypted, must be first field in message)FIX.4.0
9BodyLengthLengthY(Always unencrypted, must be second field in message)FIX.4.0
35MsgTypeStringY(Always unencrypted, must be third field in message)
▶ 116 enum values
ValueNameDescription
0HeartbeatHeartbeat
1TestRequestTestRequest
2ResendRequestResendRequest
3RejectReject
4SequenceResetSequenceReset
5LogoutLogout
6IOIIOI
7AdvertisementAdvertisement
8ExecutionReportExecutionReport
9OrderCancelRejectOrderCancelReject
ALogonLogon
AADerivativeSecurityListDerivativeSecurityList
ABNewOrderMultilegNewOrderMultileg
ACMultilegOrderCancelReplaceMultilegOrderCancelReplace
ADTradeCaptureReportRequestTradeCaptureReportRequest
AETradeCaptureReportTradeCaptureReport
AFOrderMassStatusRequestOrderMassStatusRequest
AGQuoteRequestRejectQuoteRequestReject
AHRFQRequestRFQRequest
AIQuoteStatusReportQuoteStatusReport
AJQuoteResponseQuoteResponse
AKConfirmationConfirmation
ALPositionMaintenanceRequestPositionMaintenanceRequest
AMPositionMaintenanceReportPositionMaintenanceReport
ANRequestForPositionsRequestForPositions
AORequestForPositionsAckRequestForPositionsAck
APPositionReportPositionReport
AQTradeCaptureReportRequestAckTradeCaptureReportRequestAck
ARTradeCaptureReportAckTradeCaptureReportAck
ASAllocationReportAllocationReport
ATAllocationReportAckAllocationReportAck
AUConfirmationAckConfirmationAck
AVSettlementInstructionRequestSettlementInstructionRequest
AWAssignmentReportAssignmentReport
AXCollateralRequestCollateralRequest
AYCollateralAssignmentCollateralAssignment
AZCollateralResponseCollateralResponse
BNewsNews
BACollateralReportCollateralReport
BBCollateralInquiryCollateralInquiry
BCNetworkCounterpartySystemStatusRequestNetworkCounterpartySystemStatusRequest
BDNetworkCounterpartySystemStatusResponseNetworkCounterpartySystemStatusResponse
BEUserRequestUserRequest
BFUserResponseUserResponse
BGCollateralInquiryAckCollateralInquiryAck
BHConfirmationRequestConfirmationRequest
BITradingSessionListRequestTradingSessionListRequest
BJTradingSessionListTradingSessionList
BKSecurityListUpdateReportSecurityListUpdateReport
BLAdjustedPositionReportAdjustedPositionReport
BMAllocationInstructionAlertAllocationInstructionAlert
BNExecutionAcknowledgementExecutionAcknowledgement
BOContraryIntentionReportContraryIntentionReport
BPSecurityDefinitionUpdateReportSecurityDefinitionUpdateReport
BQSettlementObligationReportSettlementObligationReport
BRDerivativeSecurityListUpdateReportDerivativeSecurityListUpdateReport
BSTradingSessionListUpdateReportTradingSessionListUpdateReport
BTMarketDefinitionRequestMarketDefinitionRequest
BUMarketDefinitionMarketDefinition
BVMarketDefinitionUpdateReportMarketDefinitionUpdateReport
BWApplicationMessageRequestApplicationMessageRequest
BXApplicationMessageRequestAckApplicationMessageRequestAck
BYApplicationMessageReportApplicationMessageReport
BZOrderMassActionReportOrderMassActionReport
CEmailEmail
CAOrderMassActionRequestOrderMassActionRequest
CBUserNotificationUserNotification
CCStreamAssignmentRequestStreamAssignmentRequest
CDStreamAssignmentReportStreamAssignmentReport
CEStreamAssignmentReportACKStreamAssignmentReportACK
DNewOrderSingleNewOrderSingle
ENewOrderListNewOrderList
FOrderCancelRequestOrderCancelRequest
GOrderCancelReplaceRequestOrderCancelReplaceRequest
HOrderStatusRequestOrderStatusRequest
JAllocationInstructionAllocationInstruction
KListCancelRequestListCancelRequest
LListExecuteListExecute
MListStatusRequestListStatusRequest
NListStatusListStatus
PAllocationInstructionAckAllocationInstructionAck
QDontKnowTradeDontKnowTrade
RQuoteRequestQuoteRequest
SQuoteQuote
TSettlementInstructionsSettlementInstructions
VMarketDataRequestMarketDataRequest
WMarketDataSnapshotFullRefreshMarketDataSnapshotFullRefresh
XMarketDataIncrementalRefreshMarketDataIncrementalRefresh
YMarketDataRequestRejectMarketDataRequestReject
ZQuoteCancelQuoteCancel
aQuoteStatusRequestQuoteStatusRequest
bMassQuoteAcknowledgementMassQuoteAcknowledgement
cSecurityDefinitionRequestSecurityDefinitionRequest
dSecurityDefinitionSecurityDefinition
eSecurityStatusRequestSecurityStatusRequest
fSecurityStatusSecurityStatus
gTradingSessionStatusRequestTradingSessionStatusRequest
hTradingSessionStatusTradingSessionStatus
iMassQuoteMassQuote
jBusinessMessageRejectBusinessMessageReject
kBidRequestBidRequest
lBidResponseBidResponse
mListStrikePriceListStrikePrice
nXMLnonFIXXMLnonFIX
oRegistrationInstructionsRegistrationInstructions
pRegistrationInstructionsResponseRegistrationInstructionsResponse
qOrderMassCancelRequestOrderMassCancelRequest
rOrderMassCancelReportOrderMassCancelReport
sNewOrderCrossNewOrderCross
tCrossOrderCancelReplaceRequestCrossOrderCancelReplaceRequest
uCrossOrderCancelRequestCrossOrderCancelRequest
vSecurityTypeRequestSecurityTypeRequest
wSecurityTypesSecurityTypes
xSecurityListRequestSecurityListRequest
ySecurityListSecurityList
zDerivativeSecurityListRequestDerivativeSecurityListRequest
FIX.4.0
1128ApplVerIDStringNIndicates application version using a service pack identifier. The ApplVerID applies to a specific message occurrence.
▶ 10 enum values
ValueNameDescription
0FIX27FIX27
1FIX30FIX30
2FIX40FIX40
3FIX41FIX41
4FIX42FIX42
5FIX43FIX43
6FIX44FIX44
7FIX50FIX50
8FIX50SP1FIX50SP1
9FIX50SP2FIX50SP2
FIX.4.4
1156ApplExtIDintNThe extension pack number associated with an application message.FIX.5.0
1129CstmApplVerIDStringNUsed to support bilaterally agreed custom functionalityFIX.4.4
49SenderCompIDStringY(Always unencrypted)FIX.4.0
56TargetCompIDStringY(Always unencrypted)FIX.4.0
115OnBehalfOfCompIDStringNTrading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)FIX.4.0
128DeliverToCompIDStringNTrading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)FIX.4.0
90SecureDataLenLengthNRequired to identify length of encrypted section of message. (Always unencrypted)FIX.4.0
91SecureDatadataNRequired when message body is encrypted. Always immediately follows SecureDataLen field.FIX.4.0
34MsgSeqNumSeqNumY(Can be embedded within encrypted data section.)FIX.4.0
50SenderSubIDStringN(Can be embedded within encrypted data section.)FIX.4.0
142SenderLocationIDStringNSender's LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)FIX.4.1
57TargetSubIDStringN"ADMIN" reserved for administrative messages not intended for a specific user. (Can be embedded within encrypted data section.)FIX.4.0
143TargetLocationIDStringNTrading partner LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)FIX.4.1
116OnBehalfOfSubIDStringNTrading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)FIX.4.0
144OnBehalfOfLocationIDStringNTrading 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
129DeliverToSubIDStringNTrading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)FIX.4.0
145DeliverToLocationIDStringNTrading 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
43PossDupFlagBooleanNAlways 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
ValueNameDescription
NOriginalTransmissionOriginal transmission
YPossibleDuplicatePossible duplicate
FIX.4.0
97PossResendBooleanNRequired when message may be duplicate of another message sent under a different sequence number. (Can be embedded within encrypted data section.)
▶ 2 enum values
ValueNameDescription
NOriginalTransmissionOriginal Transmission
YPossibleResendPossible Resend
FIX.4.0
52SendingTimeUTCTimestampY(Can be embedded within encrypted data section.)FIX.4.0
122OrigSendingTimeUTCTimestampNRequired 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
212XmlDataLenLengthNRequired when specifying XmlData to identify the length of a XmlData message block. (Can be embedded within encrypted data section.)FIX.4.2
213XmlDatadataNCan 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 SupportFIX.4.2
347MessageEncodingStringNType of message encoding (non-ASCII characters) used in a message's "Encoded" fields. Required if any "Encoding" fields are used.FIX.4.2
369LastMsgSeqNumProcessedSeqNumNThe 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 [Repeating Group]NNumber 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
627NoHopsNumInGroupNNumber of HopCompID entries in repeating group.FIX.4.4
628HopCompIDStringNAssigned 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
629HopSendingTimeUTCTimestampNTime 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
630HopRefIDSeqNumNReference 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
end HopGrp
123GapFillFlagBooleanNIndicates that the Sequence Reset message is replacing administrative or application messages which will not be resent.
▶ 2 enum values
ValueNameDescription
NSequenceResetSequence Reset, Ignore Msg Seq Num (N/A For FIXML - Not Used)
YGapFillMessageGap Fill Message, Msg Seq Num Field Valid
FIX.4.0
36NewSeqNoSeqNumYNew sequence numberFIX.2.7
◈ StandardTrailer [Component]YThe standard FIX message trailerFIX.2.7
93SignatureLengthLengthNRequired when trailer contains signature. Note: Not to be included within SecureData fieldFIX.4.0
89SignaturedataNNote: Not to be included within SecureData fieldFIX.4.0
10CheckSumStringY(Always unencrypted, always last field in message)FIX.4.0