What is an index fund?
Quick Answer
An index fund is a mutual fund or ETF designed to track a specific market index, such as the S&P 500. It buys all (or a representative sample) of the index's holdings and matches its returns minus a tiny expense ratio.
Warren Team
Updated October 25, 2025
34
Warren Team
Updated October 25, 2025
34
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The information provided is for educational purposes only and should not be considered as personalized financial advice. Warren is a registered investment advisor. Past performance does not guarantee future results. Please consult with a qualified financial advisor before making investment decisions.
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