July 2, 2026Technical Notice 26-006

GTE 3 Testing environment availability status, July 6 to July 8 2026

Please be advised that the GTE 3 Testing environment will be temporarily unavailable for certain Approved participants and Software vendors due to the CDCC Business Resilience test.

Downtime Window:

7:30 pm EDT July 6 to 5 pm EDT July 8 2026

Reason:

CDCC Resilience test

Technical Notice 26-002

Impact:

During this time, access to the GTE 3 environment will be unavailable for testing purposes, although market feed will be available to all. GTE 1 and GTE 2 environments will continue to operate normally during this period.

If you have any questions or concerns, please contact: derivatives.operations@tmx.com

Derivatives Technical Operations
Toll-free: 1-877-588-8489
Local: 514-871-7872
Email: derivatives.operations@tmx.com

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