posted on 06-06-2019
Market Average
Updated October 1, 2019
What is Market Average?
How Does Market Average Work?
A market average, best exemplified by the Dow Jones Industrial Average (DJIA) and the S&P 500 Index, is based on a basket of stocks, not all the stocks that trade on any given day.
Market averages can be price-weighted or market-weighted, depending on the methodology specified by the company that publishes the particular market average.
Why Does Market Average Matter?
The prices of stocks in a given market vary in terms of industry and frequency of trading, and it is not practical to account for every registered stock. A market average provides an overview of market activity that speaks to investor perceptions and economic productivity.
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