Latest updates
On 10 July 2025, ASX released the CHESS Project Response to Consultation on Release 1 (Clearing Services) – Amendments to Rules and Procedures. In response to the proposed amendments set out in the Consultation Paper, ASX received submissions from 4 stakeholders, including from two Approved Market Operators (AMOs), one Participant and one industry association. Further details can be found here.
On 7 July 2025, ASX was pleased to confirm the opening of the CHESS Release 1 AMO Readiness phase, the next significant milestone in the delivery of the CHESS Project. This is the next opportunity for Approved Market Operators and their Software Providers to operate in a production-like ASX test environment (ITE), incorporating their functional and non-functional testing. Further details can be found here.
On 30 June 2025, ASX published CHESS Release 1 AMO Readiness - Release Notes which details the functionality and enhancements implemented into the CHESS Release 1 Industry Test Environment, including the Security Definition FIX (d) message, resolutions to known issues, updated accepted Basis of Quotations and Condition Codes, a non-functional testing schedule and the Alternate File Ingestion Interface (AFII) which will be enabled for testing later in July. We have also updated the CHESS Release 1 AMO User Technical Documentation to contain added elements and amended details related to reflect the new amended functionality delivered in the July 2025 AMO Readiness Release. Further details can be found here.
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.
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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.