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Exchange System Updates

ICE: No Leg Fills for ICE SONIA and SOFR Packs and Bundles

December 9

ICE rolled out the new SONIA and SOFR packs and bundles on December 9.

ICE requires that orders placed for these new contracts be sent with a product definition formatted to meet the requirements for the strategy harmonization that will be implemented in January. 

X_TRADER® Platform Impact
As we are not yet sending this required product definition, leg fills for SONIA and SOFR packs and bundles will not be processed and displayed via client applications. Parent fills are available as normal. Customers who have access to ICE trade reporting functionality can log in to that system to see leg fills, and leg fills will be provided during the clearing process.  

We will release TT ICE Gateway 7.18.30 in the coming weeks to support the strategy harmonization initiative. Following this release, leg fills for SONIA and SOFR packs and bundles will be displayed as normal.

TT® Platform Impact
As we are not yet sending this required product definition, leg fills for SONIA and SOFR packs and bundles will not be processed and displayed via client applications. Parent fills are available as normal. Customers who have access to ICE trade reporting functionality can log in to that system to see leg fills, and leg fills will be provided during the clearing process.  

We will implement changes in production prior to January 14 to support the required changes, which are currently available for testing in UAT.

Additional Resources
ICE Circular


TTNET™: Required TTM Upgrade for All TTNET Customers

December 27

After the close of trading on December 27, we will replace the current TTNET root certificate, which is expiring. The root certificate is used by all 7.X client applications connecting to TTNET to verify the authenticity of the servers. All certificates have an expiration date embedded at the time they are created which cannot be altered, and certificate replacement is a standard phase in their lifecycle.

TTM 7.1.28 contains both the current and new TTNET public root certificates. To prevent a disruption in service, TTNET hosted customers must upgrade all 7.X client applications to the versions listed below prior to December 29. Alternatively, customers can upgrade TTM on all workstations running client applications. After this date, all 7.X client applications that have not been upgraded will fail to connect to TTNET.

The upgrade to TTM 7.1.28 may be accomplished via either of the following methods:

  1. Upgrade to any of the following client packages (or greater):
    • X_TRADER® 7.17.84
    • X_RISK® 7.17.86
    • XTAPI 7.17.86
    • TT API 7.17.86
  2. Upgrade to TTM 7.1.28 using the standalone installation package.
    • NOTE: All TT® User Setup client machines will need to be upgraded via the standalone TTM 7.1.28 package, as there have been no new TT User Setup packages that contain TTM 7.1.28.

Customers who repackage 7.X client applications are strongly encouraged to begin that process as soon as possible.


ICE: Strategy Harmonization

January 14

ICE strategy harmonization is planned as a phased rollout by the exchange that will take place on January 14, January 21 and January 23. As part of this change, the legacy strategy support will be decommissioned.

The new ICE API requires all participants to transition to supporting strategy reference data via StrategyPreference=1 in FIX(9006) tag and iMpact multicast. All login requests for all APIs using the Strategy Preference(9006)=0 or blank will be accepted but processed as Strategy Preference(9006)=1. Login requests will not be rejected in production after the transition.

X_TRADER Platform Impact
We will release ICE Gateway 7.18.30 to support the strategy harmonization changes prior to January 14.

TT Platform Impact
We will implement changes in production prior to January 14 to support the changes required. These changes are available for testing in UAT.


IDEM: SOLA 14 Upgrade

February 3

IDEM will upgrade to the SOLA 14 API on February 3. Dress rehearsals will be held on January 18 and 25

X_TRADER Platform Impact
We will release LSE Gateway 7.18.35 prior to February 3 to support this upgrade for IDEM. We will release a preliminary version prior to January 18 to allow customers to participate in the dress rehearsals.

We will make this release available for testing in DDE in the near future.

TT Platform Impact
We will deploy updated software to support the SOLA 14 release to support IDEM on February 3. No customer action is necessary.

We will facilitate customer testing in the dress rehearsals, with additional details to come.

These changes are available for customer testing in UAT.


FIA: Execution Source Code Schema Initiative (Tag 1031) 

Timeline varies by exchange

Multiple exchanges, in cooperation with the FIA Execution Source Code Schema Initiative, are moving forward with plans to implement FIX tag 1031 (CustOrderHandlingInst) on their APIs.

Exchange-Specific Plans

  • CME: Tag 1031 is supported and is mandatory.
  • ICE: Tag 1031 is supported, but not required. 
  • Eurex: Tag 1031 is supported, but not required. 
  • CurveGlobal/IDEM: Tag 1031 is supported with the SOLA 14 Upgrade, but is not required.

X_TRADER Platform Impact
For CME, tag 1031 is now available in production. Customers should enter a valid value in the FFT6 field in Customer Defaults and/or FIX Account Defaults. For FIX Order Routing applications, FFT6 maps to tag 16903. If no value is set, a default value of “Y” will be sent. CME Gateway 7.18.49 was released on October 18. 

For ICE, tag 1031 is now available with ICE Gateway 7.18.29. Customers should use FFT6 to send the value to the exchange. The field is optional for ICE.

TT Platform Impact
For CME, tag 1031 is now available for use in Production. Customers should select a valid value in Setup or set Order Tag Defaults. 

For ICE, tag 1031 is now available for use in Production. Customers should select a valid value in Setup or set Order Tag Defaults to send the value to the exchange. Customers can choose not to select any value as this is an optional field for ICE.

For Eurex, plans for support of tag 1031 on both the X_TRADER and TT platforms will be communicated in the near future.

For CurveGlobal and IDEM, support for tag 1031 will be added on February 3rd for both exchanges.

Additional Resources
Globex Notices October 21, 2019
FIA Indirect Clearing Documentation