Fields By Name

Name Description
ApplExtID (1156)

Identifies the Extension Pack which is to be applied to the FIX version specified in the ApplVerID.

ApplVerID (1128)

Specifies the service pack release being applied at message level. Enumerated field with values assigned at time of service pack release

BeginSeqNo (7)

Message sequence number of first message in range to be resent

BeginString (8)

Identifies beginning of new message and protocol version. ALWAYS FIRST FIELD IN MESSAGE. (Always unencrypted)

BodyLength (9)

Message length, in bytes, is verified by counting the number of characters in the message following the BodyLength (9) field up to, and including, the delimiter immediately preceding the CheckSum (10) field.

CheckSum (10)

Three byte, simple checksum (see Volume 2: "CheckSum Calculation" for description). ALWAYS LAST FIELD IN MESSAGE; i.e. serves, with the trailing <SOH>, as the end-of-message delimiter. Always defined as three characters. (Always unencrypted)

CstmApplVerID (1129)

Specifies a custom extension to a message being applied at the message level. Enumerated field

DefaultApplExtID (1407)

The default extension pack for FIX messages used in this session

DefaultApplVerID (1137)

Specifies the service pack release being applied, by default, to message at the session level. Enumerated field with values assigned at time of service pack release. Uses same values as ApplVerID

DefaultCstmApplVerID (1408)

The default custom application version (dictionary) for FIX messages used in this session

DefaultVerIndicator (1410)

Indicates that this Application Version (RefApplVerID(1130), RefApplExtID(1406),RefCstmApplVerID(1131)) is the default for the RefMsgType(372) field

DeliverToCompID (128)

Assigned value used to identify the firm targeted to receive the message if the message is delivered by a third party i.e. the third party firm identifier would be delivered in the TargetCompID (56) field and the ultimate receiver firm ID in this field.

DeliverToLocationID (145)

Assigned value used to identify specific message recipient's location (i.e. geographic location and/or desk, trader) if the message was delivered by a third party

DeliverToSubID (129)

Assigned value used to identify specific message recipient (i.e. trader) if the message is delivered by a third party

EncodedText (355)

Encoded (non-ASCII characters) representation of the Text (58) field in the encoded format specified via the MessageEncoding (347) field. If used, the ASCII (English) representation should also be specified in the Text field.

EncodedTextLen (354)

Byte length of encoded (non-ASCII characters) EncodedText (355) field.

EncryptMethod (98)

Method of encryption.

EncryptedNewPassword (1404)

Encrypted new password- encrypted via the method specified in the field EncryptedPasswordMethod(1400)

EncryptedNewPasswordLen (1403)

EncryptedPassword (1402)

EncryptedPasswordLen (1401)

EncryptedPasswordMethod (1400)

EndSeqNo (16)

"Message sequence number of last message in range to be resent. If request is for a single message BeginSeqNo (7) = EndSeqNo. If request is for all messages subsequent to a particular message, EndSeqNo = "0" (representing infinity)."

GapFillFlag (123)

Indicates that the Sequence Reset message is replacing administrative or application messages which will not be resent.

HeartBtInt (108)

Heartbeat interval (seconds)

HopCompID (628)

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.

HopRefID (630)

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.

HopSendingTime (629)

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.

LastMsgSeqNumProcessed (369)

The last MsgSeqNum (34) value received by the FIX engine and processed by downstream application, such as trading engine or order routing system. Can be specified on every message sent. Useful for detecting a backlog with a counterparty.

MaxMessageSize (383)

Maximum number of bytes supported for a single message.

MessageEncoding (347)

Type of message encoding (non-ASCII (non-English) characters) used in a message's "Encoded" fields.

MsgDirection (385)

Specifies the direction of the messsage.

MsgSeqNum (34)

Integer message sequence number.

MsgType (35)

Defines message type ALWAYS THIRD FIELD IN MESSAGE. (Always unencrypted)

NewPassword (925)

Specifies a new password for the FIX Logon. The new password is used for subsequent logons

NewSeqNo (36)

New sequence number

NextExpectedMsgSeqNum (789)

Next expected MsgSeqNum value to be received.

NoHops (627)

Number of HopCompID entries in repeating group.

NoMsgTypes (384)

Number of MsgTypes (35) in repeating group.

OnBehalfOfCompID (115)

Assigned value used to identify firm originating message if the message was delivered by a third party i.e. the third party firm identifier would be delivered in the SenderCompID field and the firm originating the message in this field.

OnBehalfOfLocationID (144)

Assigned value used to identify specific message originator's location (i.e. geographic location and/or desk, trader) if the message was delivered by a third party

OnBehalfOfSubID (116)

Assigned value used to identify specific message originator (i.e. trader) if the message was delivered by a third party

OrigSendingTime (122)

Original time of message transmission (always expressed in UTC (Universal Time Coordinated, also known as "GMT") when transmitting orders as the result of a resend request.

Password (554)

Password or passphrase.

PossDupFlag (43)

Indicates possible retransmission of message with this sequence number

PossResend (97)

Indicates that message may contain information that has been sent under another sequence number.

RawData (96)

Unformatted raw data, can include bitmaps, word processor documents, etc.

RawDataLength (95)

Number of bytes in raw data field.

RefApplExtID (1406)

Specified the extension pack being applied to a message

RefApplVerID (1130)

Specifies the service pack release being applied to a message at the session level. Enumerated field with values assigned at time of service pack release. Uses same values as ApplVerID

RefCstmApplVerID (1131)

Specifies a custom extension to a message being applied at the session level.

RefMsgType (372)

The MsgType (35) of the FIX message being referenced.

RefSeqNum (45)

Reference message sequence number

RefTagID (371)

The tag number of the FIX field being referenced.

ResetSeqNumFlag (141)

Indicates that the both sides of the FIX session should reset sequence numbers.

SecureData (91)

Actual encrypted data stream

SecureDataLen (90)

Length of encrypted message

SenderCompID (49)

Assigned value used to identify firm sending message.

SenderLocationID (142)

Assigned value used to identify specific message originator's location (i.e. geographic location and/or desk, trader)

SenderSubID (50)

Assigned value used to identify specific message originator (desk, trader, etc.)

SendingTime (52)

Time of message transmission (always expressed in UTC (Universal Time Coordinated, also known as "GMT")

SessionRejectReason (373)

Code to identify reason for a session-level Reject message.

SessionStatus (1409)

Session status at time of logout

Signature (89)

Electronic signature

SignatureLength (93)

Number of bytes in signature field.

TargetCompID (56)

Assigned value used to identify receiving firm.

TargetLocationID (143)

Assigned value used to identify specific message destination's location (i.e. geographic location and/or desk, trader)

TargetSubID (57)

Assigned value used to identify specific individual or unit intended to receive message. "ADMIN" reserved for administrative messages not intended for a specific user.

TestMessageIndicator (464)

Indicates whether or not this FIX Session is a "test" vs. "production" connection. Useful for preventing "accidents".

TestReqID (112)

Identifier included in Test Request message to be returned in resulting Heartbeat

Text (58)

Free format text string

Username (553)

Userid or username.

XmlData (213)

Actual XML data stream (e.g. FIXML). See approriate XML reference (e.g. FIXML). Note: may contain embedded SOH characters.

XmlDataLen (212)

Length of the XmlData data block.