The outage, which caused settlement to be deferred for a day, was caused by an isolated part of Chess that calculates memory allocation for settlement processes, it said.
ASX CEO Helen Lofthouse said last month’s settlement system failure was a one-off and the firm has taken steps to stop it happening again, as technology at Australia’s leading exchange faces ongoing scrutiny.
The ASX has committed a A$1 million ($850,000) credit to clients that were impacted by the disruption of its Clearing House Electronic Subregister System project, known as Chess, on Dec 20, 2024, according to a statement Thursday.
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