ASX Faces Settlement Delays Amid CHESS Software Issues

ASX Experiences Settlement Delays Due to CHESS Software Outage
In a recent development, the Australian Securities Exchange (ASX) announced that it will be deferring settlements to the following Monday. This decision comes as a result of a malfunction in its Clearing House Electronic Subregister System (CHESS), which the exchange has been struggling to rectify.
Impact of the CHESS Outage
The CHESS system, essential for processing trades and facilitating settlements, has faced significant disruptions. ASX reported that while it continues to receive trades from authorized market operators, the processing of registry transactions has been halted. Consequently, no settlements were carried out on the day due to what ASX described as a "CHESS batch settlement delay."
Status of Current Trades
The aging CHESS platform typically settles trades two business days following the agreement between buyers and sellers. This system not only ensures financial transactions but also electronically registers share ownership, making it a cornerstone of the trading process.
ASX's Efforts to Resolve the Situation
ASX management has stated that they are making every effort to pinpoint the root cause of the outage. They remain committed to updating stakeholders as information becomes available. The exchange has already initiated steps to reschedule settlement instructions from the CHESS batch to the upcoming Monday.
Recent Market Trends and Challenges
This software outage occurred shortly after the S&P/ASX 200 index dropped 1.2%, marking its lowest level since mid-September. The combination of market volatility and technical difficulties raises concerns among investors about the reliability of the ASX systems.
Future Developments in CHESS
ASX has been actively seeking to modernize its CHESS software by exploring blockchain-based technology solutions. However, the exchange ended these plans in November 2022, after realizing the complexities and scaling challenges associated with such a significant overhaul. This decision came six years after the initial proposal was made to enhance the system.
Collaborations for Software Enhancement
In response to the ongoing challenges, ASX sought the expertise of Tata Consultancy Services (TCS) to assist in upgrading its CHESS system. TCS is expected to oversee an extensive two-phase approach to enhance the software, with completion targeted for 2029. This partnership illustrates ASX's commitment to ensuring a more robust and reliable trading environment moving forward.
Frequently Asked Questions
What led to ASX deferring settlements?
The deferral of settlements by ASX was due to a breakdown in the CHESS software, which caused significant processing delays.
How does the CHESS system function?
The CHESS system facilitates the electronic registration of share ownership and processes financial settlements two business days after trades are agreed upon.
What steps is ASX taking to resolve the outage?
ASX is actively working to identify the root cause of the CHESS system failure and has begun rescheduling settlement instructions.
How has the market reacted to the CHESS outage?
The market has shown concern, with the S&P/ASX 200 index experiencing a 1.2% decline, highlighting the challenges investors are facing.
What are ASX's plans for future software upgrades?
ASX has enlisted Tata Consultancy Services to implement a new phases approach to revamp the CHESS software, expected to be completed by 2029.
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