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S&P 500® | S&P Dow Jones Indices

The S&P 500® is widely regarded as the best single gauge of large-cap U.S. equities. The index includes 500 leading companies and covers approximately 80% of available market capitalization.

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S&P 500 (SP500) | FRED | St. Louis Fed

3 小时之前 · Notes: The observations for the S&P 500 represent the daily index value at market close. The market typically closes at 4 PM ET, except for holidays when it sometimes closes early. The …