spx500

The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the performance of 500 large companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices. Wikipedia
Market cap: US$42.4 trillion; (as of January 3, 2022)
Constituents: 505
Related indices: S&P 1500; S&P Global 1200; S&P 100
Weighting method: Free-float capitalization-weighted
Exchanges: NYSE; NASDAQ; Cboe BZX Exchange
Foundation: March 4, 1957; 65 years ago