04/24/2026 |
04/24/2026 |
Improvements |
General |
Starting after Q2 2026 TT will no longer be providing/updating the stunnel.zip file which customers might be using to perform certificate pinning. The final update to the stunnel.zip file happened on April 2, 2026 and is now available for download. The final certificate in the stunnel.zip file expires on Oct 17, 2026. Prior to Oct 17, 2026 TT will migrate the CA from Digicert to AWS and new certificates will be emplaced (this could happen as early in UAT as September 1, 2026). These certificates will have much shorter lifetimes and will be rotated more often (eventually every ~40 days).
This is driven by the CA/Browser Forum decision to reduce certificate lifetimes to 47 days. Given that lifetime it's no longer viable to create a certificate, provide the updated stunnel.zip file to customers for integration, and then emplace the certificate onto our endpoints.
Only customers who download the stunnel.zip file from https://library.tradingtechnologies.com/tt-fix/general/stunnel.zip are impacted. Affected customers should start migrating to utilize their local machine's certificate trust store. Digicert and AWS are both established Certificate Authorities and should be available in the trust stores of modern operating systems.
Updates to the Configuring client connectivity (https://library.tradingtechnologies.com/tt-fix/order-routing/configuring-client-connectivity.html) will be made in the coming weeks to account for this adjustment.
(Ref 205825)
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04/17/2026 |
05/28/2026 |
Fixes |
Order Entry |
Fixed the Order Ticket price calculation logic for Manual Fills on ASE with non-market equivalent configurations. Modifying the parent ASE price now correctly updates the far leg price, even when the spread configuration does not match a native exchange-defined instrument.
(Ref 206256)
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04/14/2026 |
04/14/2026 |
Improvements |
General |
Update Notice
April 10
For customers whose FIX engine natively supports SSL encryption, or who have implemented FIX session encryption using STunnel, TT provides a TTFIX.crt file with the public certificates used by the TT platform FIX endpoint.
On 2026/04/03, TT updated the stunnel.zip file located in the Download Center in order to update the soon-to-be-expired certs in the TTFIX.crt bundle.
All TT customers who use STunnel must download the new zip file and apply it at any time before the new zip file update is applied in each TT environment, which will be:
2026/05/01 for UAT
2026/05/06 for SIM
2026/05/08 for Production - NY
2026/05/15 for Production - All Other Locations
Customers still using the old stunnel.zip file after the dates listed above will not be able to connect to the respective TT environments.
Added TT Platform STAR.TRADE.TT; valid from 2026/04/02 - 2026/10/17
Additional Resources
Please download the updated stunnel.zip here: https://library.tradingtechnologies.com/tt-fix/general/stunnel.zip
Directions for configuring a stunnel with TTFIX.crt can be found on the TT FIX Help Site.
(Ref 205535)
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04/12/2026 |
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Improvements |
Exchanges |
The below changes introduced by JPX are now supported on TT -
- New FX futures on USD/JPY, CNH/JPY, and EUR/JPY
- New Cash Settled Futures on Gold and Platinum
- New Chubu Area Electricity Futures
- New Options contracts on TSE REIT and TOPIX Banks Indices
- Change in tick size for 10 year mini JGB futures
- Change in position rollover time to support the new session times for electricity futures. The rollover times with this change will be as -
a) 15:20 JST for the OSE product symbols JBL,JBLM,JBM,JBS,TOA3M (same as existing)
b) 16:18 for all electricity futures (newly added)
c) 16:33 for all other products (same as existing)
(Ref 205940)
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04/10/2026 |
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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)
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04/10/2026 |
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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 |
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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 |
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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)
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04/07/2026 |
04/07/2026 |
Improvements |
TT .NET SDK |
Adds support for GS OTC Commodity Block venue (v3.5.3.2)
(Ref 205450)
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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)
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04/02/2026 |
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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)
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