Latest updates
On 26 June 2025, ASX published the CHESS Release 1 Cutover Approach which outlines the approach, governance, and timeline for transitioning to the CHESS Release 1 Clearing Service, including the cutover weekend schedule, dress rehearsal and Go-Live dates. Further details can be found here.
On 25 June 2025, ASX published the CHESS Release 1 Clearing Regression Test Guide which provides an overview of the purpose, approach, scope and mandatory scenarios required to be completed by Clearing Participants in the Clearing Regression phase of CHESS Release 1. Further details can be found here.
On 28 May 2025, ASX published the CHESS Release 1 Approved Market Operators (AMO) Operational Readiness Guide which provides an overview of the AMO Operational Readiness process as well as the scenarios they are required to successfully demonstrate prior to transitioning to the CHESS Release 1 Clearing Service in the production environment. Further details can be found here.
On 7 May 2025, ASX advised that access to the CHESS XP1 Test Environment will change to accommodate CHESS Release 1 Clearing Regression Testing. From 7:00pm AEST Friday 4 July 2025 the CHESS XP1 Test Environment will be brought down for CHESS Release 1 integration development and will be unavailable for all CHESS User testing. Further details can be found here.
On 3 March 2025, ASX released two consultation papers to support Release 1 of CHESS replacement. The first is ASX’s Consultation on Release 1 (Clearing Services) – Amendments to Rules and Procedures. The second is ASX’s Consultation on Release 1 (Clearing Services) – Amendments to AMO Contractual Terms. Responses to both consultation papers are requested by 14 April 2025.
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ASX will provide information on the CHESS Project to stakeholders through a variety of resources including stakeholder communications, activities and committee meetings.