FIX Protocol Tag 127: DKReason

DKReason is a single-character field used in 2 FIX message types: Dont Know Trade (35=Q) and Execution Ack (35=BN). It is defined in FIX 4.0 to 5.0 SP2 and has 8 enumerated values.

Tag number: 127
Data type: CHAR
FIX versions: FIX 4.0 to 5.0 SP2
Used in: 2 message types

Tag 127 in each FIX version

Values and message usage as defined in a specific version.

Data type

CHAR: A single character.

Valid values

8 enumerated values across all FIX versions.

Value	Meaning	FIX versions
A	Unknown symbol	All
B	Wrong side	All
C	Quantity exceeds order	All
D	No matching order	All
E	Price exceeds limit	All
Z	Other	All
F	Calculation difference	4.4, 5.0, 5.0 SP1, 5.0 SP2
G	No matching execution report	5.0 SP2

Example

127=A

Illustrative value. In a message, fields are separated by the SOH character (0x01), often shown as | or ^ in logs.

Decode a message with this tag

Message types that use tag 127

Dont Know Trade 35=Q
Execution Ack 35=BN

Covers every version from FIX 4.0 to 5.0 SP2, including fields reached through components and repeating groups. The version pages above show whether the tag is required in each message.

Field and message data comes from the QuickFIX data dictionaries for FIX 4.0 to 5.0 SP2 and FIXT 1.1, used under the QuickFIX Software License. This product includes software developed by quickfixengine.org (http://www.quickfixengine.org/). Enumerated value names are converted to plain text for reading.