Australian Stock Exchange

Australian Stock Exchange
Name	Australian Securities Exchange
Location	Sydney, New South Wales
Founded	1 April 1987
Owner	ASX Limited
Currency	Australian dollar
Market cap	A$2.6 trillion (approx. as of 2023)
Indices	S&P/ASX 200, S&P/ASX 20
Website	www.asx.com.au

Australian Stock Exchange. The Australian Securities Exchange, operating under the brand ASX, is the primary securities exchange in Australia. It was formed through the amalgamation of six independent state-based exchanges and is one of the world's top 20 listed exchange groups by market capitalization. The exchange provides a full suite of services including listings, trading, clearing and settlement across a wide range of asset classes, playing a central role in the Australian economy.

History

The exchange's origins trace back to the 19th century with the establishment of separate exchanges in capital cities like the Sydney Stock Exchange and the Melbourne Stock Exchange. These regional bourses operated independently until the passage of the Australian National Companies and Securities Commission legislation, which led to their unification. The formal consolidation into the Australian Stock Exchange Limited occurred on 1 April 1987, a key milestone in the Corporations Act 2001 framework. A subsequent demutualization and listing of its parent entity, ASX Limited, took place in 1998, with the company's shares trading on its own platform. The 2006 merger with the Sydney Futures Exchange created a vertically integrated group offering equities and derivatives trading. Significant technological milestones include the migration to a fully electronic trading system, replacing the historic open outcry trading floors, and the implementation of the CHESS clearing and settlement system.

Operations and trading

Trading operates on a fully electronic, order-driven platform known as ASX Trade, which is provided by NASDAQ OMX technology. The standard trading hours are from 10:00 am to 4:00 pm Australian Eastern Standard Time, with additional pre-open and auction sessions. Beyond equity markets, the exchange facilitates trading in a diverse array of products including exchange-traded funds, warrants, hybrid securities, and interest rate derivatives through ASX 24. The settlement of trades is managed by the ASX Settlement system, which operates on a T+2 rolling cycle. Critical post-trade services are handled by its clearing house, ASX Clear, which acts as the central counterparty to mitigate counterparty risk for market participants.

Listed companies

The exchange hosts over 2,000 listed entities, representing a broad cross-section of the Australian economy. This includes some of the nation's largest and most prominent corporations such as Commonwealth Bank of Australia, BHP, CSL Limited, and Westpac. The listings are categorized into different boards, with the most prominent being the ASX All Ordinaries for larger, established companies. It also provides a venue for smaller and emerging companies through the ASX Small Ordinaries and specialized sectors like mining and energy through the ASX Resources index. Foreign companies, such as New Zealand's Fletcher Building, also maintain secondary listings.

Market indices

The primary benchmark for Australian equity performance is the S&P/ASX 200, which is compiled by Standard & Poor's in conjunction with the exchange and includes the top 200 companies by float-adjusted market capitalization. Other major indices include the headline S&P/ASX 300 and the large-cap focused S&P/ASX 50. Sector-specific indices track performance in areas like financials, materials, and health care, providing investors with targeted benchmarks. The exchange also calculates the long-standing All Ordinaries Index, which encompasses around 500 of the most active stocks. These indices form the basis for numerous derivative products and exchange-traded funds listed both domestically and on international venues like the Chicago Mercantile Exchange.

Regulation and governance

The exchange operates under the regulatory oversight of the Australian Securities and Investments Commission, which enforces the Corporations Act 2001. As a publicly listed company itself, ASX Limited adheres to strict corporate governance standards set out by the ASX Corporate Governance Council. Its unique position as a market operator and a listed entity requires a clear separation of its commercial and regulatory functions, with its ASX Compliance division monitoring participant conduct. The Reserve Bank of Australia also oversees its critical financial infrastructure, particularly its clearing and settlement facilities, under the Payment Systems and Netting Act 1998.

International connections

The exchange maintains numerous linkages with global financial markets and institutions. It is a founding member of the World Federation of Exchanges and has a strategic alliance with the Singapore Exchange covering derivatives and post-trade services. Through its ASX Net global network, it provides direct market access for international participants from major hubs like London, New York City, and Hong Kong. The exchange also supports the listing of CHESS Depository Interests, which allow foreign companies to offer shares to Australian investors, and cross-listings with the New Zealand Exchange. Its benchmark S&P/ASX 200 index is licensed globally for the creation of financial products traded on exchanges such as the NYSE Arca.

Category:Stock exchanges in Australia Category:Companies listed on the Australian Securities Exchange Category:Financial services companies based in Sydney