Fund Spy

Are Falling Fund Fees Too Much of a Good Thing?

Jeffrey Ptak, CFA

Key Takeaways

  • Fund fees continue to decline, a big win for investors.
  • The question is whether narrowing fee differences between funds will make fees less predictive of future performance than before.
  • We examined the rolling returns and fees of all U.S. equity funds over the period September 1998-August 2018.
  • We found that funds are performing more alike and fee differences are narrowing.
  • However, we find no evidence that fees are having less of an impact on performance as they decline; to the contrary, they appear to be more significant to performance than before.
  • This argues for continuing to weigh fees heavily when assessing funds.

Good News: Fund Fees are Falling!
Whether by anecdote or data, it’s clear that fund fees are falling. For instance, Fidelity recently made headlines by launching index funds that are free to investors (now a quartet; the firm has since launched two more “zero” funds). More broadly, our research has found that fund expenses are trending lower.

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