FIX Protocol Tag 779: LastUpdateTime
LastUpdateTime is a UTC timestamp field used in 11 FIX message types, including Trade Capture Report (35=AE), Market Data Snapshot Full Refresh (35=W) and Security Definition (35=d). It is defined in FIX 4.4 to 5.0 SP2.
- Tag number
- 779
- Data type
- UTCTIMESTAMP
- FIX versions
- FIX 4.4 to 5.0 SP2
- Used in
- 11 message types
Tag 779 in each FIX version
Values and message usage as defined in a specific version.
Data type
UTCTIMESTAMP: Date and time in UTC as YYYYMMDD-HH:MM:SS, optionally followed by fractions of a second (.sss).
Example
779=20261020-14:30:05.123
Illustrative value. In a message, fields are separated by the SOH character (0x01), often shown as | or ^ in logs.
Decode a message with this tagMessage types that use tag 779
- Settlement Instructions 35=T
- Market Data Snapshot Full Refresh 35=W
- Derivative Security List 35=AA
- Trade Capture Report Request 35=AD
- Trade Capture Report 35=AE
- Trade Capture Report Ack 35=AR
- Settlement Instruction Request 35=AV
- Security Definition Update Report 35=BP
- Settlement Obligation Report 35=BQ
- Derivative Security List Update Report 35=BR
- Security Definition 35=d
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.