What Is the S&P 500

What is the S&P 500

The Standard and Poors 500 (S&P 500) is an index made up of five hundred different stocks. Each is selected for liquidity, size, and industry. The index is weighted for market capitalization. The S&P 500 is the benchmark of the overall market, and frequently used as the standard of comparison in terms of investment performance.


An index of 500 stocks chosen for market size, liquidity and industry grouping, among other factors. The S&P 500 is designed to be a leading indicator of U.S. equities and is meant to reflect the risk/return characteristics of the large cap universe.

Companies included in the index are selected by the S&P Index Committee, a team of analysts and economists at Standard & Poor's. The S&P 500 is a market value weighted index - each stock's weight in the index is proportionate to its market value.

Here is the S&P Index for Today
S&P Index