Historical data and Price History back to Jan. 1, 1980 for SPDR Portfolio S&P 500 ETF (SPLG) with Intraday, Daily, Weekly, Monthly, and Quarterly data available for download.
The S&P 500 is a market-cap weighted stock index constructed to track the share price performance of the top 500 large-cap U.S. equities. Established in January 1993, the S&P 500 Index is designed to measure the performance of the large-cap, publicly-traded companies in the U.S. equities...