S&P 1500
| Foundation | May 18, 1995 |
|---|---|
| Operator | S&P Global |
| Exchanges | Nasdaq, NYSE, CBOE |
| Trading symbol |
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| Constituents | 1,506 |
| Type | Small, Medium and Large cap |
| Market cap | US$67.1 trillion (as of January 31, 2026) |
| Weighting method | Market value-weighted |
| Related indices | |
| Website | www |
The S&P 1500, or S&P Composite 1500 Index, is a stock market index of US stocks published by S&P Global. It combines stocks in the S&P 500, S&P MidCap 400, and S&P SmallCap 600. This index covers approximately 90% of the market capitalization of U.S. stocks and is a broad measure of the U.S. equity market.
The index was launched on May 18, 1995 with a first value date of December 30, 1994.