CME STP FIXML and CME STP FIX

CME STP - DigiCert Root CA Certificate Update

CME STP post trade services use DigiCert as the certificate authority for the Transport Layer Security (TLS) protocol. CME Group is rolling out the changes being implemented by DigiCert to its root and intermediate CA certificates now through the end of January. In order to avoid service disruptions, all client systems of CME STP, are recommended to establish trust with the updated certificates by installing the new certificates.

CME STP FIX API on Google Cloud - Postponed

Previously announced availability of CME STP FIX API service on Google Cloud has been postponed. A new production date will be announced in a future article.

View the client impact assessment for additional information.

CME STP FIX API on Google Cloud is currenlty available in New Release.

CME STP FIXML - Disabling of On-Prem FIXML Service - February 23

Effective Sunday, February 23 (trade date Monday, February 24), CME Group will disable the On-Prem FIXML service. To avoid disruption of service, clients of CME STP FIXML must connect to Google Cloud service URL.

On-Prem FIXML service URL	Google cloud FIXML service URL
https://services.cmegroup.com/cmestp/query	https://posttrade.api.cmegroup.com/cmestp/query

More information is available in the client impact assessment

CME STP FIX - New Sub Party Role for FX Spot+ - February 23

Effective Sunday, February 23 (trade date Monday, February 24), CME Group will add a new SubParty, "Counter Party's full name" in Trade Capture Report (tag 35-MsgType=AE) for FX Spot+ Leg of FX Link trade, as SubID of the Settlement counter party. This will be under PartyRole=90 (Counterparty Public ID) when PartyIDSource=D (Proprietary/Custom Code) with PartySubIDType=5 (Full legal firm name).

FIX Tag	Value of
523-PartySubID	Counter Party's full name
803-PartySubIDType	5 (Full legal firm name)

This change is currently available in New Release for customer testing.

CME STP FIXML - New Sub Party Role for FX Spot+ - February 23

Effective Sunday, February 23 (trade date Monday, February 24), CME Group will add a new SubParty detail in Trade Capture Report (/TrdCaptRpt) for FX Spot+ Leg of FX Link trade, as SubID of the Settlement counter party. This will be under TrdCaptRpt/RptSide/Pty/@R=90 (Counterparty Public ID) when TrdCaptRpt/RptSide/@Src=D (Proprietary/Custom Code) with TrdCaptRpt/RptSide/Pty/Sub@Typ=5 (Full legal firm name).

FIX Tag	Value of
/TrdCaptRpt/RptSide/Pty/Sub/@ID	Counter Party's full name
/TrdCaptRpt/RptSide/Pty/Sub@Typ	5 (Full legal firm name)

This change is currently available in New Release for customer testing.

CME STP FIX and FIXML - Updates to FX Spot Leg of FX Link Trades - March 2025

Effective March 2025, CME Group will update Trade Capture Reports for FX Spot leg of FX Link trades to harmonise the API across products.

More information is available in the client impact assessment

This change is currently available in New Release for customer testing.

CME STP FIXML on Google Cloud - March 31

Effective Monday, March 31, all client systems must complete a mandatory certification of regional switch processing for CME STP FIXML on Google Cloud.

This certification is not a prerequisite for clients migrating to CME STP FIXML on Google Cloud.

View the client impact assessment for additional information.

UpdateCME FX Spot+ - April 13

† Denotes update to the article

Effective †Sunday, April 13 (trade date Monday, April 14), CME Group will launch CME FX Spot Plus (CME FX Spot+), a new tradable spot FX instrument, leveraging CME FX Link liquidity to bring together OTC spot FX and FX futures.

CME FX Spot+ will enable spot FX market participants to tap into CME FX futures liquidity through an open, transparent central limit order book while giving FX futures users broader access to OTC liquidity. This unique liquidity connection will be made possible by implied matching through CME FX Link, a liquid, tradable spread between OTC spot FX and FX futures.

The FX Spot+ products will be available for the following currency pairs: EUR/USD, GBP/USD, AUD/USD, NZD/USD, USD/JPY, USD/CAD, USD/CHF, and USD/MXN.

More information on these new products and the associated messaging and functionality enhancements is available in the CME FX Spot+ client impact assessment. A new CME FX Spot+ Credit Overview is also available with credit features and details for both FX Link and CME FX Spot+. STP client impact assessment for CME FX Link and FX Spot+ is available.

Contacts

Please contact the following support teams for:

• New Release Environment Support:
  Certification Support for Electronic Trading (CSET) in the U.S. at +1 312 930 2322, in Europe at +44 20 3379 3803 or in Asia at +65 6593 5593.
• Production Environment Support:
  CME Global Command Center (GCC) in the U.S. +1 800 438 8616, in Europe at +44 20 7623 4747 or in Asia at +65 6532 5010.