DEFINITION of 'Market Average'
A measure of the overall price level of a given market, as defined by a specified group of stocks or other securities. A market average equals the sum of all current values of stocks in the group divided by the total number of shares in the group.
BREAKING DOWN 'Market Average'
A market average measurement is a simple way to evaluate the price level of a group of stocks. For example, the Dow Jones Industrial Average, which is a price-weighted average, covers 30 blue chip stocks listed on the NYSE and is widely used to track overall U.S. stock market performance.