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ASX Shares Plunge as Exchange Raises Multi-Year Tech Spending

ASX said it must fund a multi-year technology overhaul after an ASIC inquiry found past operational failings.

Overview

  • The exchange raised its 2027 capital expenditure guidance to A$180–200 million and set 2028 capex at A$170–190 million to speed upgrades and new product work.
  • ASX warned total expenses could rise up to 21% in 2027 and said its 2026 expense growth forecast of up to 23% includes costs from the ASIC inquiry.
  • The company said higher costs cover upgrading legacy systems, investing in artificial intelligence and automation, and running old and new platforms in parallel.
  • Investors reacted sharply, sending ASX shares down more than 12% in their steepest session since 2012 and prompting concern over execution risk and near-term returns.
  • ASX reaffirmed a trimmed dividend payout ratio of 75%–85% while reporting unaudited revenue up 12.5% to A$1.03 billion for the 10 months to April 30, reflecting a trade-off between funding upgrades and shareholder distributions.