The Australian sharemarket operator says the unprecedented outage of its settlement system on the Friday before Christmas was caused by a problem relating to the allocation of computer memory, exposing a risk lurking in the system’s code for a decade.
ASX chief executive Helen Lofthouse apologised to brokers on Thursday for the “highly irregular” incident. The exchange will provide a $1 million goodwill payment to stockbrokers who relied on the system known as CHESS.