Versions of BrokerTec notices dated March 23, 2023, and onward are available from the Notice Search page.
Archived BrokerTec notices dated July 2019 through March 9, 2023, are available from the BrokerTec Support Portal, which requires a separate login.
Critical System Information
iLink 3 BrokerTec Schema Version 5 Decommission - This Week
On Sunday, April 14 and April 21, BrokerTec on CME Globex will no longer accept iLink 3 schema version 5 messages for BTEC EU and BTEC US in the Production environment respectively. Client systems can only send version 8 messages.
Version 8 of iLink 3 for BrokerTec launched in February 2023. The new version 8 schema is currently available for download via the CME SFTP site. More details on the SFTP site is available on Schema Distribution.
Please Note: Traders will not be able to enter orders on BrokerTec if this update has not been applied.
| ILINK 3 BROKERTEC SCHEMA VERSION 5 DECOMMISSION | |||
|---|---|---|---|
| MARKET SEGMENT ID | DESCRIPTION | PRODUCTION DATE | |
| 16 | BTEC EU Order Entry Service Gateway | April 14, 2024 | |
| 44 | BrokerTec EGB | ||
| 46 | BrokerTec EU Repo | ||
| 14 | BTEC US Order Entry Service Gateway | April 21, 2024 | |
| 40 | BrokerTec US Treasury Actives | ||
| 42 | BrokerTec US Repo | ||
Effective with this change, BrokerTec GFE 11.2+ will be required for access in the Production environment.
Increased Mass Quote Messaging Reject Threshold - April 21
Effective Sunday, April 21 (trade date Monday, April 22), customers will be able to quote and quote cancel up to 400 messages per second (MPS). Currently, customers can quote or quote cancel a maximum of 375 MPS.
| INCREASED MASS QUOTE MESSAGING REJECT THRESHOLD | ||||
|---|---|---|---|---|
| ENVIRONMENT | MESSAGE | CURRENT REJECT THRESHOLD | NEW REJECT THRESHOLD | INTERVAL |
| Production | Mass Quote and Quote Cancel Messages | 375 | 400 | Three-second window |
| New Release | Mass Quote and Quote Cancel Messages | 25 | 30 | |
This change is currently available for customer testing in New Release.
More information about the current Mass Quote Messaging Thresholds is available in the Client Systems Wiki.
iLink 3 BrokerTec US Duplicate Order Validation Change - May 19
Effective Sunday, May 19 (trade date Monday, May 20), CME Globex will implement an enhancement to the iLink 3 Duplicate Order Validation to BrokerTec US on CME Globex.
With this change, if a violation has occurred, any subsequent duplicate messages will continue to be rejected until after a full time interval has passed without any new duplicate messages having been received.
| MARKET SEGMENT ID | DESCRIPTION | PRODUCTION LAUNCH |
|---|---|---|
| 40 | BrokerTec US Treasury Actives | May 19, 2024 |
| 42 | BrokerTec US Repo |
This change is currently available for customer testing in New Release.
More information about the current Duplicate Order Validation functionality is available in the Client Systems Wiki.
iLink 3 Party Details Harmonization - May 19
Effective Sunday, May 19 (trade date Monday, May 20), CME Group will implement the iLink 3 messaging changes to Pre-Registered administrative information to be consistent with the On-Demand administrative information. These changes will also bring the front-end messaging into alignment with the back-office feeds and simplify the reconciliation process.
Field Capitalization
CME Globex will capitalize tag 1691-PartyDetaiID values on the following Party Detail Roles on the Pre-Registered Party Detail Definition Request Acknowledgment messages sent from Order Entry Service Gateway to Client System. Client systems are not required to send capitalized values to CME Globex, but capitalized values will always be returned.
| ILINK 3 PARTY DETAILS DEFINITION REQUEST ACKNOWLEDGMENT (TAG 35=CY) | ||||
|---|---|---|---|---|
| TAG 1693 - PARTY DETAIL ROLE |
CURRENT SUBMITTED/RETURN TAG 1691- PARTYDETAILID VALUE BEHAVIOR |
NEW RETURN TAG 1691- PARTYDETAILID VALUE BEHAVIOR |
||
| 24 (customer account) 1000 (take up account) |
aBcde | ABCDE | ||
Field Truncation
CME Group will truncate tag 1691-PartyDetaiID values on the following Party Detail Roles on the Pre-Registered Party Details Definition Request Acknowledgment messages sent from Order Entry Service Gateway to Client System. If this tag values submitted on the Party Details Definition Request message exceeds the required length, iLink 3 will return a truncated required length from the right on the response.
| ILINK 3 PARTY DETAILS DEFINITION REQUEST ACKNOWLEDGMENT (TAG 35=CY) | |||
|---|---|---|---|
| * TAG 1693 - PARTY DETAIL ROLE | REQUIRED LENGTH | CURRENT SUBMITTED/RETURN TAG 1691- PARTYDETAILID VALUE BEHAVIOR |
NEW RETURN TAG 1691- PARTYDETAILID VALUE BEHAVIOR |
| 24 (customer account) | 12 | 1234567890987Account | 90987ACCOUNT |
| 1000 (take up account) | 11 | 1234567890987Account | 0987ACCOUNT |
| 96 (take up firm) | 3 | 10f23 | f23 |
*These fields are optional for BrokerTec products.
These changes are only applicable to the Pre-Registered administrative information. There is no change to the On-Demand Party Detail Definition Request Acknowledgment (tag 35=CY) messages sent from Market Segment Gateway to Client System.
More detailed information on Party Details is available in iLink 3 Party Details Definition Messaging.
These changes are currently available for customer testing in New Release.
iLink 3 Order Cancel and Cancel/Replace Requests by ClOrdID - June 15
Starting Sunday, June 15 (trade date Monday, June 16), CME Group will begin launching a new risk management feature that allows clients to cancel and modify resting orders using FIX tag 11-ClOrdID, without providing tag 37-OrderID. This feature will be enabled for all BrokerTec Markets on CME Globex.
| iLink 3 Order Cancel and Cancel/Replace Requests by ClOrdID | ||
|---|---|---|
| Market Segment ID | Description | Production Date |
| 44 | BrokerTec EGB | June 16, 2024 |
| 46 | BrokerTec EU Repo | |
| 40 | BrokerTec US Treasury Actives | June 30, 2024 |
| 42 | BrokerTec US Repo and TBAs | |
Please review the Client Impact Assessment for full technical details and launch schedule.
Product Changes
UpdateChange to Minimum Price Increment for 7-Year U.S. Treasury Note on BrokerTec - June 2
† Denotes update to the article
† Effective Sunday, June 2 (trade date Monday, June 3), tag 969-MinPriceIncrement for the 7-Year Note on BrokerTec will be changed as follows:
| CHANGE TO MINIMUM PRICE INCREMENT FOR 7-YEAR U.S. TREASURY NOTE ON BROKERTEC | ||||
|---|---|---|---|---|
| PRODUCT | MDP 3.0: TAG 6937-ASSET | ILINK: TAG 55-SYMBOL MDP 3.0 TAG 1151-SECURITY GROUP |
CURRENT TAG 969-MINPRICEINCREMENT | NEW TAG 969-MINPRICEINCREMENT |
| 7-Year U.S. Treasury Note |
UB07 | USBD | 1/2nd of 1/32nd (0.015625) |
1/4th of 1/32nd (0.0078125) |
This change is currently available for customer testing in New Release.
Front-End Clients
BrokerTec Global Front End - CME Globex New Release (NR) Network Requirement Change - April 24
Effective Wednesday, April 24, the port range for all existing BrokerTec Global Front End clients in the CME Globex New Release environment will change as follows.
New GFE accounts created in the New Release environment will use the new port range immediately.
| BROKERTEC GLOBAL FRONT END - GLOBEX NEW RELEASE (NR) NETWORK REQUIREMENT CHANGE | |||
|---|---|---|---|
| ENVIRONMENT | IP RANGE | CURRENT PORT RANGE | NEW PORT RANGE |
| New Release | 69.50.113.0/24 | 40000 – 65536 | 10000 – 25000 |
This change affects only New Release connectivity. No change is required for BrokerTec GFE Production connectivity.
Announcements and Additional Resources
BrokerTec and EBS Customer Disaster Recovery Exercises - July 27
CME Group strongly encourages all EBS and BrokerTec customers to register to test with our disaster recovery systems, to help ensure readiness and test your ability to transact via our DR systems.
- Saturday, July 27 - US and Europe Markets (BrokerTec & EBS)
If you are interested in participating in our upcoming Disaster Recovery (DR) Mock Trading Session, please register your interest by completing the following form:
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