S&P Dow Jones Indices announced the results of its December 2025 quarterly review for the S&P/ASX Indices. The changes will be effective prior to the open of trading on Monday, December 22, 2025. Notable changes include additions and removals from the S&P/ASX 50 and S&P/ASX 100 indices, among others. This rebalancing is a standard procedure to ensure the indices accurately reflect the Australian stock market. Such announcements are a core part of S&P Dow Jones Indices' business operations and are closely watched by investors managing funds that track these benchmarks. No significant market reaction for S&P Global's own stock was noted in relation to this routine announcement.