FIX Protocol Tag 28: IOITransType

Transaction type of an indication of interest: new, cancel or replace.

Tag number: 28
Data type: CHAR
FIX versions: FIX 4.0 to 5.0 SP2
Used in: 1 message type

Tag 28 in each FIX version

Values and message usage as defined in a specific version.

Data type

CHAR: A single character.

Valid values

3 enumerated values across all FIX versions.

Value	Meaning
C	Cancel
N	New
R	Replace

Example

28=C

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 28

IOI 35=6

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.