Critical System Information

NewTrades on BrokerTec EU Test Instruments - March 15

Starting Sunday, March 15 (trade date Monday, March 16), CME Group will publish test trades on the below test instruments during market hours to optimize support for BrokerTec EU instruments on CME Globex.

These test trades will only appear on test instruments and will not affect Production instruments or trading. BrokerTec EU clients will see these trades on market data messages disseminated on MDP 3.0 channels. CME Group recommends that client systems ignore all MDP 3.0 messages for the following test products:

BrokerTec EU Test Products
Product	MDP 3.0: tag 6937-Asset	MDP 3.0 tag 1151 - Security Group	Market Segment ID
ITEST GERMAN BOND	#DEBND	$EUBD	44
ITEST GC_SA_GERMAN_SUB_10YR	#DGSA1	$EUGA	46

Front-End Clients

BrokerTec Global Front End Connectivity to CME STP on Google Cloud - March 2

Starting Monday, March 2, BrokerTec Global Front End (GFE) Client versions 11.6 and higher will connect to the CME Straight Through Processing (STP) FIX on Google Cloud, as detailed in the Post Trade section of this notice.

The BrokerTec GFE uses CME STP FIX to populate its Clearing Trades tab, and connectivity to CME STP FIX on Google Cloud will be required once on-prem instances are decommissioned.

• Customers connecting via the Internet must ensure the managed and regional hostnames are available from their traders’ workstations as detailed in CME STP FIX on Google Cloud - Production Internet Connectivity.
• Customers connecting via dedicated connectivity must ensure the managed and regional hostnames are available from their traders’ workstations as detailed in CME STP FIX on Google Cloud - Production Dedicated Connectivity.

BrokerTec GFE versions 11.6 and higher will initially attempt to connect to CME FIX STP on Google Cloud, before reverting to on-prem services if a connection cannot be established. 

After Sunday, April 26, all BrokerTec GFE versions will only connect to CME FIX STP on Google Cloud.

UpdateAction Required: Upgrade to BrokerTec Sync Client Versions 5.0 to Avoid Service Interruption - June 30

All clients must upgrade to BrokerTec Sync client versions 5.0 by Tuesday, June 30, 2026, to avoid loss of access to the BrokerTec GFE for clients dependent on BrokerTec Sync.

BrokerTec Sync client versions 4.x or older have not been supported since Monday, June 2, 2025. 

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

CME STP FIXML - Service Availability and Regional Maintenance Update - March 22

Effective Sunday, March 22 (trade date Monday, March 23), CME Group will make the CME STP FIXML service available on a 24/7 basis and will introduce regional maintenance during weekends.

Clients should note that the x-cme-token, which is used by client systems for ongoing subscriptions and for multi-batch queries, will not be valid across regions. After regional maintenance, Client systems will receive a TradeCaptureReportRequestAck with the attribute @txt="x-cme-token is no longer valid. Please initiate a new subscription" and must reestablish their subscription to obtain a valid token.

This change is currently available in New Release (maintenance weekly on Wednesdays). Customers are highly encouraged to test their recovery processes in New Release and complete the mandatory supplemental certification.

CME STP FIXML service in New Release is not available on weekends.

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.

CME STP FIX on Google Cloud - Service Availability and Regional Maintenance - March 22

Effective Sunday, March 22 (trade date Monday, March 23), CME Group will make the CME STP FIX service on Google Cloud available on a 24/7 basis and will introduce regional maintenance during weekends.

During the regional maintenance, client systems using the Managed Connectivity options will be disconnected and are required to reestablish their connections and resubscribe to continue the receipt of post-trade messages. Client systems using Regional Connectivity options should switch regions on their end upon disconnection.

View Production client connectivity options for more information.

This change is currently available in New Release (maintenance weekly on Wednesdays). Customers are highly encouraged to test their recovery processes in New Release and complete the mandatory supplemental certification.

CME STP FIX service in New Release is not available on weekends.

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.

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

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.

CME 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.

CME STP FIX - Update to New Release Host Connectivity - Now Available

CME STP FIX service will now incorporate the following managed and regional connectivity options in the New Release environment to better align functionality with Production.

CME STP FIX - Update to New Release Host Connectivity
Connectivity Option	Hostname	IP Addresses	Port	Asset Class	Usage
Managed	stpfix.api.uat.cmegroup.com		443	All	Client systems connect to one Host for all entitled STP trade data. CME Group manages regional connectivity. Customers should account for DNS update time during regional IP switch. Client systems must reestablish connections and resubscribe after weekly regional switch (Weekly on Wednesday) disconnections to resume receiving post-trade messages.
Regional	stpfix-a.api.uat.cmegroup.com	208.112.193.131	443	All	Clients can connect to both regions in parallel providing flexibility and redundancy. Clients can subscribe to the same or different STP trade data across regions based on their entitlements. Sequences of messages are not guaranteed to be the same across regions.
	stpfix-b.api.uat.cmegroup.com	208.112.193.10

Client systems are required to target the hostname(s). IPs are provided for convenience of local client side whitelisting purposes only. Clients can continue to use their existing entitled API IDs with this Host change.

This change does not affect Production connectivity.

Events and Announcements

NewBrokerTec U.S. Holiday Schedule Reminder for Good Friday 2026 - April 3

On Friday, April 3, BrokerTec U.S. on CME Globex clients will observe the following impacts in relation to the Good Friday holiday, if Bureau of Labor Statistics (BLS) follows the current plans for data release:

• BrokerTec U.S. Treasury Benchmarks, RV Curve, and BrokerTec Chicago will trade from 7:00 a.m. to 12:00 p.m. Eastern Time (ET). Trades will be submitted Monday, April 6, to FICC and TRACE for settlement Tuesday, April 7.
• BrokerTec U.S. Repo will be closed Friday, April 3.

This schedule applies to BrokerTec U.S. Treasury Benchmarks, RV Curve, and BrokerTec Chicago spreads only.

Holiday Trade Date-Settlement Date Schedule

Trade Date	Settlement Date	Description
Wednesday, April 1	Thursday, April 2	Normal T+1 settlement
Thursday, April 2	Monday, April 6	Friday, April 3 is a settlement holiday
Friday, April 3	Tuesday, April 7	T+2 settlement due to Good Friday holiday
Monday, April 6	Tuesday, April 7	Normal T+1 settlement

CME STP and CME STP FIX will reflect the correct Settlement Dates for all trades in the Trade Capture Reports, FIXML attribute SettlDt or FIX tag 64-SettlDate.

Should BLS announce any changes to the current data release schedule that moves the Employment numbers to a later date, BrokerTec U.S. would then be fully closed on Good Friday, April 3.

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