S&P 500 (SPX) Chart
Live chart for SPX · Indices
About S&P 500
The S&P 500 tracks the stock performance of 500 large companies listed on U.S. exchanges, and is widely regarded as one of the best gauges of the overall U.S. stock market and economy.
Key facts
- Introduced in 1957
- Weighted by market capitalization
- Maintained by S&P Dow Jones Indices