What is xjo

Last updated: April 1, 2026

Quick Answer: The XJO is the S&P/ASX 200 Index, Australia's primary stock market benchmark tracking the 200 largest companies listed on the Australian Securities Exchange (ASX).

Key Facts

Overview

The XJO, officially known as the S&P/ASX 200 Index, is Australia's principal stock market benchmark. It comprises the 200 largest companies listed on the Australian Securities Exchange, representing approximately 80% of the market capitalization of all ASX-listed companies. The index is widely used by investors, economists, and policymakers as a key indicator of the health and direction of the Australian economy.

Index Composition

The XJO includes major Australian companies across diverse sectors. Mining companies such as BHP Group and Rio Tinto have significant weightings due to Australia's natural resources sector. Banking institutions including the Big Four banks (Commonwealth Bank, Westpac, NAB, and ANZ) also represent a substantial portion. Additionally, the index includes real estate investment trusts (REITs), healthcare companies, and technology firms.

History and Development

The S&P/ASX 200 Index was established in 1992 with a base level set at 1,000 points. Since its inception, the index has evolved to reflect changes in the Australian economy and the composition of major listed companies. The index is maintained by Standard & Poor's and the ASX jointly, ensuring it meets international standards for equity indices.

Market Significance

The XJO is closely watched by:

Investment Access

Investors can gain exposure to the XJO through various methods, including exchange-traded funds (ETFs) that track the index, index mutual funds, and direct stock purchases of constituent companies. Many financial institutions offer XJO-tracking investment products for both Australian and international investors seeking exposure to the Australian stock market.

Related Questions

What companies are included in the XJO index?

The XJO includes Australia's 200 largest companies by market capitalization, including major banks like Commonwealth Bank, mining companies like BHP Group and Rio Tinto, and companies across healthcare, technology, and real estate sectors.

How is the XJO index calculated?

The XJO is a market-capitalization weighted index, meaning larger companies have greater influence on the index's movements. It is calculated and maintained by Standard & Poor's and the ASX.

Can I invest directly in the XJO index?

You cannot buy the index directly, but you can invest in it through ETFs and index funds that track the XJO, or by purchasing shares in the individual companies that comprise the index.

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Sources

  1. Wikipedia - S&P/ASX 200 CC-BY-SA-4.0
  2. Australian Securities Exchange Official Website Fair Use