The outage was attributed to a software deployment related to a security upgrade. While the ASX has pledged to provide a detailed report to the Australian Securities and Investments Commission (ASIC), this incident adds to a series of technological failures that have plagued the exchange in recent years.

In December 2024, the ASX faced a major collapse of its CHESS settlement system, prompting regulatory scrutiny and calls for improved risk management practices. Despite a $445 million upgrade plan set for a 2026 rollout, investors remain skeptical about the exchange's capacity to deliver timely and effective technological improvements.

Critics argue that the ASX has been complacent and underinvested in its infrastructure, raising doubts about its operational resilience and ability to meet regulatory expectations. The recent outage underscores the need for the ASX to prioritize robust risk management and transparent communication with stakeholders.

For market participants, these developments highlight the importance of contingency planning and the potential impact of technological disruptions on trading activities. As the ASX continues its technology overhaul, investors and regulators will be closely monitoring its progress to ensure the stability and integrity of Australia's financial markets.

Author: Paige Estritori
Published: Sunday 7th December, 2025

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