CBA’s market weight: Unprecedented or just another giant?
There’s been a lot of noise around CBA’s valuation – at its peak, it traded at over 30x forward earnings and made up 12% of the Australian equity market. Media and brokers called it ‘unprecedented.’
But was it really?
Dougal Maple-Brown reflects on his 25 years at Maple-Brown Abbott, charting the market weight of Australia’s biggest stocks at their peaks vs. today.
Disclaimer: This information was prepared and issued by Maple-Brown Abbott Ltd ABN 73 001 208 564, AFSL No. 237296 (“MBA”). This information is general information only and it does not have regard to any person’s investment objectives, financial situation or needs. Before making any investment decision, you should seek independent investment, legal, tax, accounting or other professional advice as appropriate, and obtain the relevant Product Disclosure Statement and Target Market Determination for any financial product you are considering. This information does not constitute an offer or solicitation by anyone in any jurisdiction. Past performance is not a reliable indicator of future performance. Any views expressed on individual stocks or other investments, or any forecasts or estimates, are point in time views and may be based on certain assumptions and qualifications not set out in part or in full in this information. The views and opinions contained herein are those of the authors as at the date of publication and are subject to change due to market and other conditions. Such views and opinions may not necessarily represent those expressed or reflected in other MBA communications, strategies or funds. Any companies, securities and or/case studies referenced or discussed are used only for illustrative purposes. The information provided is not a recommendation for any particular security or strategy, and is not an indication of the trading intent of MBA. Information derived from sources is believed to be accurate, however such information has not been independently verified and may be subject to assumptions and qualifications compiled by the relevant source and this information does not purport to provide a complete description of all or any such assumptions and qualifications. To the extent permitted by law, neither MBA, nor any of its related parties, directors or employees, make any representation or warranty as to the accuracy, completeness, reasonableness or reliability of the information contained herein, or accept liability or responsibility for any losses, whether direct, indirect or consequential, relating to, or arising from, the use or reliance on any part of this information. This information is current at 30 September 2025 and is subject to change at any time without notice. © 2025 Maple-Brown Abbott Limited.
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