The All Ordinaries Index, affectionately known by investors as "All Ords" and trading with the ticker code ^XAO, stands as Australia's original and most comprehensive equity market benchmark. Launched in 1980, the All Ordinaries was for many years the definitive measure of Australian stock market performance until being superseded in relevance by the ASX 200 in 2000. The index encompasses approximately 500 of the largest ASX-listed companies and represents the broadest possible view of the Australian equity market's health and performance. The All Ordinaries remains widely quoted in financial media, economic commentary, and institutional investment strategy discussions, despite the ASX 200's rise to prominence as the primary benchmark. With its market-capitalization-weighted methodology and comprehensive constituent base, the All Ordinaries Index continues to serve as an important tool for understanding the full spectrum of Australian public company performance. While no single dedicated ETF directly tracks the All Ordinaries Index with exact precision, the index remains closely correlated with both the ASX 200 and ASX 300 indices, maintaining relevance for investors seeking to understand Australia's full equity market landscape.

History and Background

The All Ordinaries Index was established in 1980 as Australia's original stock market index, serving as the primary measure of equity market performance for Australian investors for two decades. At its inception, the All Ordinaries represented all ordinary shares listed on the Australian Securities Exchange and was calculated using a price-weighted methodology before transitioning to market-capitalization weighting. The index captured the Australian equity market during a pivotal period of economic transformation, including the floating of the Australian dollar in 1983, financial deregulation, and Australia's economic liberalization. Throughout the 1980s and 1990s, the All Ordinaries was the index by which Australian investors measured the stock market's performance, and it played a central role in Australian financial reporting and economic commentary. The index provided a crucial barometer of investor sentiment and economic expectations during major historical events including the 1987 stock market crash, the early 1990s recession, and the Asian financial crisis of the late 1990s.

The transition from the All Ordinaries as the primary Australian equity benchmark to the ASX 200 in 2000 reflected changing investor preferences and the professionalization of the financial services industry. As global capital markets became more sophisticated and international investors demanded benchmarks comparable to the S&P 500 and FTSE 100, the need for a large-cap focused index became apparent. The ASX 200, introduced in 2000, was designed to capture the top 200 companies in a market-cap weighted format, making it more comparable to international large-cap indices and more suitable for use by global institutional investors. Despite this transition, the All Ordinaries Index remained important as a comprehensive measure of the Australian market and continued to be widely quoted in financial media. The index maintained historical significance as the original Australian equity benchmark and continued to provide investors with insights into the broader Australian stock market beyond just the largest companies.

Today, the All Ordinaries remains an important index for understanding the full breadth of the Australian equity market, though it has become less frequently cited than the ASX 200 for investment decision-making and performance benchmarking. Financial analysts and economists still reference the All Ordinaries when discussing broad market conditions and overall market health. The index's historical performance data extending back to 1980 provides valuable insights into long-term Australian equity market trends and the performance of Australian companies across multiple economic cycles. The persistence of the All Ordinaries in financial discussion, despite the ASX 200's prominence, reflects the index's enduring importance as a comprehensive view of Australian equity markets. Investors and analysts interested in understanding the full scope of the Australian Securities Exchange, including smaller large-cap and mid-cap companies not captured in the ASX 200, continue to rely on the All Ordinaries for perspective.

Index Methodology and Selection Criteria

The All Ordinaries Index employs a market-capitalization-weighted methodology, meaning that larger companies have a proportionally greater influence on index movements than smaller constituents. The index typically includes all ordinary shares listed on the Australian Securities Exchange that meet basic eligibility criteria, including regulatory compliance and continuous listing requirements. To be included in the All Ordinaries, a company must be a primary listing on the ASX and meet minimum size and liquidity thresholds established by the index maintainers. The broad constituent base of approximately 500 companies makes the All Ordinaries the most comprehensive index of Australian equity markets, capturing everything from the largest mega-cap companies to smaller large-cap and mid-cap businesses. The index is reviewed and adjusted periodically to reflect changes in the Australian Securities Exchange's listed companies, with companies removed when they are delisted and new companies added when they list on the ASX.

The All Ordinaries methodology reflects a philosophy of market comprehensiveness rather than the focused approach of narrower indices like the ASX 200. The index's approach of including essentially all major listed companies on the ASX ensures that it captures a complete picture of the Australian equity market and reflects the full range of business sectors represented in the Australian economy. The market-cap weighting methodology ensures that the largest companies automatically have the greatest impact on index performance, reflecting their greater economic importance and market influence. The methodology has proven robust across decades of market experience, successfully capturing equity market performance during various economic conditions, from periods of rapid growth to severe recessions. The All Ordinaries' inclusive approach makes it a valuable tool for investors seeking to understand the overall health of the Australian equity market without the selection bias inherent in more concentrated indices.

Key Constituents and Sectors

The All Ordinaries Index is naturally dominated by the same large-cap companies that drive the ASX 200, including the major banks, mining companies, healthcare providers, and retail operators that represent Australia's largest corporations. Commonwealth Bank of Australia, the nation's largest bank, is the single largest constituent of the All Ordinaries, as is the case with the ASX 200. Other major constituents from the ASX 200 including BHP Group, Rio Tinto, CSL Limited, National Australia Bank, Westpac, ANZ, Macquarie Group, Wesfarmers, Woolworths, and Fortescue Metals Group all feature prominently in the All Ordinaries. However, the All Ordinaries extends well beyond the ASX 200 to include hundreds of additional mid-cap and smaller large-cap companies across virtually every sector of the Australian economy. This broader constituent base means that the All Ordinaries includes representation from specialized sectors, regional businesses, and industry-specific companies that may not be large enough for inclusion in the ASX 200.

The sector composition of the All Ordinaries reflects Australia's complete economic structure, with Financial Services, Materials, Healthcare, Consumer Discretionary, and other sectors all meaningfully represented. The Materials sector representation in the All Ordinaries is particularly broad, including not only mega-cap miners like BHP and Rio Tinto but also numerous mid-cap mining companies, exploration companies, and specialized materials processors. The Financial sector includes the major banks and non-bank financial institutions featured in the ASX 200, plus many smaller financial services providers, investment firms, and specialized financial service companies. Technology and telecommunications companies, which have grown in importance over recent decades, feature in the All Ordinaries with representation ranging from large established telecommunications providers to smaller software and digital service companies. Real estate investment trusts, utilities, infrastructure companies, and industrials all have meaningful representation, reflecting the diversified nature of the Australian economy.

The extended constituent list of the All Ordinaries, compared to the ASX 200 and ASX 300, provides investors with visibility into the full scope of the Australian business community and the economic activities represented in publicly listed companies. Small-cap and micro-cap stocks within the All Ordinaries may offer growth potential significantly exceeding that of the largest companies, though with correspondingly higher volatility and risk. The inclusion of specialized industry companies and regional businesses means that the All Ordinaries captures economic activity that might not be apparent from focusing solely on the largest companies. This comprehensive view can be particularly valuable for investors seeking to understand emerging trends in the Australian economy or identify investment opportunities in less mainstream sectors. The All Ordinaries essentially represents a mirror of the breadth of the Australian economy, including companies large and small across the full spectrum of industries.

Performance and Market Significance

The All Ordinaries has delivered impressive long-term returns to Australian equity investors since its inception in 1980, with historical performance showing an average annual return of approximately 9-10% including reinvested dividends. The index's historical performance record extends further back in time than the ASX 200, providing investors with a comprehensive view of Australian equity market returns across multiple complete economic cycles. The All Ordinaries has demonstrated resilience and recovery capability following major market downturns, rising from the depths of the 2008 financial crisis to establish new all-time highs and continuing to provide returns aligned with fundamental economic growth. The index's long history makes it a valuable tool for understanding the relationship between Australian economic conditions, corporate earnings, and equity returns over extended periods. Dividend yields on the All Ordinaries have historically been substantial, with the index providing income returns that contribute meaningfully to total returns, particularly attractive to Australian investors benefiting from franking credits on dividend payments.

The market significance of the All Ordinaries extends from its historical role as Australia's primary equity benchmark to its contemporary importance as a comprehensive measure of the entire Australian equity market. While the ASX 200 has become the preferred benchmark for institutional investors and global fund managers, the All Ordinaries remains important for understanding the full breadth of market conditions and investor sentiment. Financial analysts and economists continue to reference the All Ordinaries when discussing overall Australian market health, particularly when seeking to understand conditions beyond just the largest companies. The index serves as a valuable comparison tool for assessing whether market strength is concentrated in large-cap stocks or whether it is more broadly distributed across the entire market. The presence of smaller companies in the All Ordinaries makes it more volatile than the ASX 200 and more sensitive to market sentiment regarding growth prospects and business conditions among smaller firms.

Understanding the performance drivers of the All Ordinaries requires considering both the large-cap factors that influence the ASX 200 and the additional dynamics of the mid-cap and smaller-cap companies. The index is heavily influenced by commodity prices and resource demand, given Australia's role as a major exporter of minerals and energy resources. Interest rate policies set by the Reserve Bank of Australia significantly affect All Ordinaries performance, influencing corporate borrowing costs, consumer spending, and asset valuations across the market. Currency fluctuations, particularly the Australian dollar relative to major trading partners' currencies, impact the index through their effects on export competitiveness and the local currency value of foreign earnings. Economic growth prospects, employment conditions, and consumer confidence all influence the index's performance. The inclusion of smaller companies makes the All Ordinaries more sensitive to credit market conditions, as smaller firms are often more vulnerable to credit constraints during periods of financial stress. Global economic conditions and geopolitical developments also play significant roles in determining All Ordinaries performance.

How to Invest in the All Ordinaries

Unlike the ASX 200 and ASX 300, which have dedicated ETFs (IOZ, STW, A200 for ASX 200; VAS for ASX 300), there is no single ETF that precisely tracks the All Ordinaries Index. This is due in part to the index's size and the practical challenges of owning all 500 constituents with equal market-cap representation. However, investors seeking All Ordinaries exposure can achieve similar results through several alternative approaches. The most practical approach is to use a combination of the ASX 200 and ASX 300 tracking ETFs, which together provide coverage of approximately 95% of the All Ordinaries constituents, with the remaining small-cap stocks representing a minor portion of market cap. Investors could purchase proportional holdings in VAS (ASX 300 ETF) and accept the minor tracking difference from holding 300 rather than 500 companies. Additionally, many Australian managed funds and superannuation schemes hold portfolios broadly aligned with the All Ordinaries composition, offering investors exposure to the full breadth of the Australian market.

Investors seeking comprehensive All Ordinaries exposure through active stock picking can construct portfolios by purchasing shares in the index constituents, though this requires substantial research to identify and purchase 500 individual companies efficiently. Given the practical challenges of direct ownership, most investors will find that using ASX 200 or ASX 300 tracking ETFs provides sufficient exposure to the Australian equity market without the complexity and costs of replicating the full All Ordinaries. Professional investors with significant capital can work with fund managers to develop direct indexing strategies that precisely replicate the All Ordinaries composition, though such solutions typically require minimum investment amounts in the hundreds of thousands or millions of dollars. Some research institutions and academic investors use the All Ordinaries for performance comparison and analysis, making the index valuable for assessing overall market performance even if direct investment in the index is impractical.

When considering All Ordinaries exposure, investors should carefully evaluate whether they truly need exposure to the 200-plus companies outside the ASX 300 for their investment objectives. The ASX 300 already represents approximately 90% of total Australian equity market capitalization, making the additional small-cap and micro-cap stocks a relatively minor portion of total market value. Most investors will find that ASX 200 or ASX 300 exposure through appropriate ETFs provides sufficient diversification and market representation without the complexity of attempting to track all 500 All Ordinaries constituents. However, investors with a specific interest in small-cap opportunities, contrarian positions on the Australian market, or a desire to understand the full economic participation in the Australian stock market may value the additional insight provided by monitoring All Ordinaries performance. The index remains useful for academic research, economic analysis, and understanding the broader health of the Australian business community, even if it is less practical as a direct investment vehicle compared to the more focused indices.

Frequently Asked Questions

Why did the ASX 200 replace the All Ordinaries as the primary Australian equity benchmark?

The ASX 200 was introduced in 2000 to provide a benchmark more comparable to international large-cap indices like the S&P 500 and FTSE 100. The All Ordinaries' broad constituent base made it less comparable to international indices and less suitable for global institutional investors seeking to assess Australian equity market performance relative to other developed markets. The ASX 200's focus on the 200 largest companies provided a more concentrated benchmark representing Australia's most economically significant corporations. The narrower focus also made the ASX 200 easier to track with index funds and exchange-traded funds, encouraging the development of passive investment products. The shift reflected the professionalization of the investment industry and the increasing importance of international capital flows to Australian markets. However, the All Ordinaries remains important as a comprehensive measure of total market conditions.

How many companies does the All Ordinaries Index include?

The All Ordinaries Index typically includes approximately 500 of the largest companies listed on the Australian Securities Exchange. The exact number of constituents varies over time as companies list on and delist from the ASX, but 500 is the approximate target for the index. This makes the All Ordinaries significantly broader than the ASX 200, which includes 200 constituents, and broader than the ASX 300, which includes 300 constituents. The comprehensive constituent base makes the All Ordinaries the most representative index of overall Australian equity market health and the most inclusive measure of publicly listed company performance in Australia. The index's broad composition ensures that emerging companies and smaller established firms are captured in the benchmark.

Is there an ETF that directly tracks the All Ordinaries Index?

There is no dedicated ETF that precisely tracks the All Ordinaries Index, unlike the ASX 200 and ASX 300 which have multiple tracking ETFs available. The lack of a dedicated All Ordinaries ETF reflects the practical challenges of owning and maintaining a portfolio of 500 companies with the associated transaction costs and liquidity complexities. Investors seeking All Ordinaries exposure can approximate it by using the ASX 300 tracking ETF (VAS), which captures approximately 300 of the largest and most liquid constituents. The remaining small-cap stocks outside the ASX 300 represent a relatively minor portion of total market capitalization, making VAS a reasonable proxy for broader market exposure. Alternatively, investors can combine ASX 200 and mid-cap focused strategies to approximate All Ordinaries coverage.

What percentage of the Australian equity market does the All Ordinaries represent?

The All Ordinaries Index represents approximately 95% or more of the total Australian equity market capitalization, making it the most comprehensive benchmark of the Australian Securities Exchange. This extremely high representativeness reflects the index's inclusive approach of capturing all major publicly listed companies on the ASX. By comparison, the ASX 300 represents approximately 90% of total market cap, while the ASX 200 represents approximately 80%. The remaining 5% of market cap not captured in the All Ordinaries consists of very small-cap and micro-cap companies that are beyond the scope of the index. For practical investment purposes, the All Ordinaries essentially represents the entire investable Australian equity market.

How does All Ordinaries performance compare to ASX 200 performance historically?

Historically, the All Ordinaries and ASX 200 have delivered very similar long-term returns, both averaging approximately 9-10% annually including reinvested dividends. The performance correlation between the two indices is very high, typically exceeding 0.95, reflecting the fact that the ASX 200 constituents dominate the All Ordinaries by market capitalization. During periods when investors favor large-cap stocks, the ASX 200 may outperform the All Ordinaries slightly, while during periods when smaller companies deliver stronger performance, the All Ordinaries may outperform. The differences in performance between the indices are typically relatively minor, and investors can expect broadly similar returns whether they focus on All Ordinaries or ASX 200 performance. The extended time series of All Ordinaries data (since 1980 versus ASX 200 since 2000) makes it valuable for historical analysis, though both indices reflect similar economic dynamics.

Should I track the All Ordinaries or use ASX 200 or ASX 300 indices instead?

For most investors, using the ASX 200 or ASX 300 indices through dedicated ETFs is more practical than attempting to track the All Ordinaries, given the availability of efficient index-tracking products for the narrower indices. The ASX 200 is ideal for investors seeking concentrated exposure to Australia's largest and most established companies, while the ASX 300 provides broader exposure that includes meaningful mid-cap participation. The All Ordinaries remains valuable for academic research, economic analysis, and understanding the complete landscape of Australian public company performance, but is less practical as a direct investment vehicle. Investors seeking comprehensive Australian equity exposure should choose between ASX 200 and ASX 300 based on their preference for large-cap stability versus mid-cap growth potential. The historical similarity in returns between these indices means that either choice will provide broadly similar long-term investment outcomes for most investors.

Conclusion

The All Ordinaries Index represents Australia's original and most comprehensive equity market benchmark, serving investors since 1980 as the definitive measure of overall Australian stock market performance. Despite being superseded by the ASX 200 as the preferred benchmark for institutional investors and global capital markets participants, the All Ordinaries remains an important tool for understanding the full breadth of the Australian equity market and the health of the broader business community. The index's coverage of approximately 500 companies provides near-complete representation of the Australian Securities Exchange's publicly listed companies, capturing everything from mega-cap corporations to smaller but still significant businesses. While the lack of a dedicated All Ordinaries tracking ETF makes direct investment in the index impractical, investors can achieve similar exposure through ASX 200 or ASX 300 tracking ETFs, which together represent over 95% of total Australian equity market capitalization. The All Ordinaries' historical significance, long time series of performance data extending back to 1980, and comprehensive constituent base ensure its continued relevance for economic analysis, investment research, and understanding the complete picture of Australia's equity markets. Whether you are monitoring overall Australian market health, conducting historical analysis of equity returns, or seeking to understand the full scope of publicly listed companies in Australia, the All Ordinaries Index provides valuable perspective on Australia's capital markets and the investors in the Australian Securities Exchange.