Release Notes

April 2026 - Production Environment

New features are production released in a phased rollout to our globally distributed system. Therefore, a feature may be listed here which has not yet reached your workspace(s). However all of these features are available at uat.trade.tt.


Production Start Production Complete Type Component Release Note

04/10/2026

Improvements

Trade Surveillance

Enhancements
New Invalid Records Report
As part of data validation checks, some records can be marked as invalid and are skipped from processing. To audit these records, a new report type has been created. The new Invalid Records Report can be accessed from the Reports Scheduler and also includes Total Ingested count and Total Ignored count at the top of the file in the header.

Update to Custom Filters
New fields added to Custom Filters - ClientID

Bug Fixes
Fix for issues where certain ER fields were not populating correctly for externally uploaded data

(Ref 205944)

04/10/2026

Plan

FIX Services

Production deployment of the v305 Drop Copy and Market Data FIX Services began Mar 27th. The deployment of these services will complete in 4-5 weeks.

Production deployment of the v305 Recovery, Importer and Order Routing FIX services began Apr 10th. The deployment of these services will complete in 4-5 weeks.

This release includes changes to the FIX XML schema files. Clients are strongly encouraged to download and deploy the latest XML schema files from the URL below prior to release: [https://library.tradingtechnologies.com/tt-fix/general/System_Overview.html]

Release Notes for FIX v305 and prior releases can be reviewed at any time by going to [https://library.tradingtechnologies.com/release_notes/]

All TT FIX clients are strongly encouraged to subscribe to the weekly TT System Admin News and Updates email newsletter here: [https://www.tradingtechnologies.com/support-updates/]

(Ref 194377)

Version: v305

Learn More

04/10/2026

Improvements

FIX Services

Introduced 3 new values for tag 8000 (SMPInstruction) to represent market wide SMP actions which is applicable for Eurex only.
1. f - SMP Instruction Type Market Wide Cancel Aggressor
2. g - SMP Instruction Type Market Wide Cancel Resting
3. h - SMP Instruction Type Market Wide Decrement Leaves Qty

Users can test the values along with the upcoming Eurex/EEX/Nodal upgrades. Refer weekly TT System Admin News and Updates email newsletter here: [https://www.tradingtechnologies.com/support-updates/]

(Ref 194370)

Version: v305

04/10/2026

Improvements

FIX Services

Introduced support to facilitate unique instrument identification in scenarios where options share identical strike prices, types, and maturities, but differ by exercise style:

1. Tag 1194 (ExerciseStyle): Available for primary instrument identification.
2. Tag 1420 (LegExerciseStyle): Available for individual leg identification within multileg instruments.

(Ref 194184)

Version: v305

04/07/2026

04/07/2026

Improvements

TT Core SDK

Adds support for GS OTC Commodity Block venue (v2.1.1.0)

(Ref 205451)

04/07/2026

04/07/2026

Improvements

TT .NET SDK

Adds support for GS OTC Commodity Block venue (v3.5.3.2)

(Ref 205450)

04/07/2026

04/07/2026

Fixes

TT .NET SDK

Fixes bug introduced in 3.5.3.1 where server side mode price subscriptions can fail with PriceStreamInvalid (v3.5.3.2)

(Ref 205447)

04/02/2026

Improvements

FIX Services

TT will update the RIC codes for Silver Futures (SI) and Palladium Futures (PA) in Production.

Effective April 04, clients using RICs for SI and PA reduced tick spreads should use the updated format shown below.

RIC Code Format:

SI
Current: SIM26-N26, PAH26-M28
New: SIRTM26-N26, PARTH26-M28

PA
Current: PAU26-U28
New: PARTU26-U28

This change is in UAT from March 26, 2026

(Ref 204586)