Critical System Information

Launch of BrokerTec Chicago Conflated TCP Market Data Group - Q1 2026

In Q1 2026, CME Globex will launch a new BrokerTec Chicago 50 Millisecond Conflated TCP Market Data Group for U.S. Treasury Actives.

Please review the client impact assessment for technical details and launch schedule.

This channel will be available for customer testing in New Release on this Sunday, December 14.

Front-End Clients

Mandatory Upgrade: BrokerTec Sync Client 5.0 Upgrade - Now Overdue

This is a mandatory upgrade. BrokerTec Sync client versions 4.x or older are no longer supported as of Monday, June 2.

The BrokerTec Sync client version 5.0.1 is now available to download on the BrokerTec Support Portal. This new client contains security and stability updates. 

Network Requirements

As our services migrate to Google Cloud, this new client version requires access to the following URLs over the public Internet from the BrokerTec Sync user’s workstation: 

BrokerTec Sync Portal
Current URLs (Client version 3.x/4.x)	New URLs (Client version 5.0+)
https://sync.brokertec.com https://paging.numecentcloud.com	https://markets.api.cmegroup.com/brokertec/sync-portal  https://paging.numecentcloud.com (no change)

Installation Requirements

Please note that customers upgrading from a previous version of the BrokerTec Sync client will be prompted to reboot their workstation during the upgrade process. To minimize disruption, we strongly encourage customer support teams to schedule this upgrade at an appropriate time.

Any client inquiries for technical issues or production support should be directed to the CME Group Global Command Center (GCC) in the U.S. +1 800 438 8616, in Europe at +44 20 7623 4747, in Asia at +65 6532 5010 and in Japan at +81 3 6733 7559.

Post-Trade

Disabling of New Release On-Prem CME STP FIX Service - December 31

Effective Wednesday, December 31 (trade date Thursday, January 1), CME Group will disable the New Release On-Prem CME STP FIX service. To avoid disruption to development efforts, CME STP FIX clients must connect to the Google Cloud service hostname.

New Release CME STP FIX Service Hostnames
On-Prem Hostname	Google Cloud Hostname
fixstpnr.cmegroup.com	stpfix.api.uat.cmegroup.com

This change does not affect CME STP FIX Production connectivity.

Additional information on CME STP FIX service migration to Google Cloud is available in the client impact assessment.

UpdateCME STP FIX on Google Cloud - Production Internet Connectivity - April 26

† Denotes update to the article

As part of a phased migration of CME Straight Through Processing APIs to Google Cloud, Production internet connectivity options for CME STP FIX API are now available.

†By Sunday, April 26, all clients must complete migration and connect to CME STP FIX API Production using only the Google Cloud hostnames.

CME STP FIX on Google Cloud is available in parallel to the current on-prem instance. When connecting in parallel to Google Cloud and on-prem instances, clients should ensure trades are not double-booked.

†A mandatory supplemental certification for message recovery is now available for CME STP FIX on Google Cloud. 

Please contact Certification Support for Electronic Trading (CSET) with any questions in the U.S. at +1 312 930 2322, in Europe at +44 20 3379 3803, or in Asia at +65 6593 5593.

NewCME STP FIX on Google Cloud - Production Dedicated Connectivity - April 26

As part of a phased migration of CME Straight Through Processing APIs to Google Cloud, Production dedicated connectivity options for CME STP FIX API are now available.

By Sunday, April 26, all clients must complete migration and connect to CME STP FIX API Production using only the Google Cloud hostnames.

CME STP FIX on Google Cloud is available in parallel to the current on-prem instance. When connecting in parallel to Google Cloud and on-prem instances, clients should ensure trades are not double-booked.

A mandatory supplemental certification for message recovery is now available for CME STP FIX on Google Cloud. 

Please contact Certification Support for Electronic Trading (CSET) with any questions in the U.S. at +1 312 930 2322, in Europe at +44 20 3379 3803, or in Asia at +65 6593 5593.