FinanceFEATURE

What Is a Mutual Fund? NAV Pricing, Once-a-Day Trading, and How Fees Compare With ETFs

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EffectStory 編輯部Editorial Team
Published · Updated
A mutual fund is an open-end investment company that pools investor money into one portfolio of stocks, bonds, and other securities, priced once a day at a net asset value set after the US market close. That single daily price differs from ETFs, which trade at fluctuating intraday prices. Equity mutual funds carried a 1.10% average expense ratio in 2024, and 56.4% of US households held fund shares in 2025, per FINRA, the SEC, and ICI.

(see file — full markdown with 5 H2 sections, a comparison table, and a closing 'what this means' paragraph, all CITE-tagged)

📊 Evidence

📎 Sources

  1. finra.org
  2. sec.gov
  3. finra.org
  4. ici.org
  5. ici.org

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EffectStory 編輯部Editorial Team

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