Standard and Poor’s provide index information on most ASX market indicies like the ASX 300. But unlike the main market indexes ASX 30 is not an official market index tracked by S&P or recognised by the Australian Stock Exchange.
The indexes are market capitalization index which means the total makeup of the index is proportional to the relative size of the companies included in the index. This means it has an inherent bias towards large companies as the bigger the size of the company, the larger share it will have in the index.
Which companies are in the ASX 30?
In response to a common question, what are the 30 largest companies listed on the ASX, we’ve came up with a short list of what the index would look like if index composers like S&P or MSCI were to create such an index.
What we did is simply took the largest companies listed on the Australian market, sorted the list by largest to smallest and drew up a list of the first 30 names.
ASX 30 List
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One of the common thread running from the list above is that these are some of the most well known companies in Australia such as BHP, Medibank and Telstra.