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Concept · Tax in investing

What is tax drag?

Direct answer Tax drag is the yearly return a taxable investor loses to tax on a fund's distributions and realized gains, before ever selling. Morningstar's ten-year tax cost ratio puts it near 1.9% a year for the average stock mutual fund and 0.7% for the average stock ETF; the gap comes from how each wrapper handles redemptions.

Drag is the tax you pay without deciding to. A fund distributes gains it realized inside, and dividends it received, and you owe tax on both in the year they arrive. The ETF’s remaining 0.7% is mostly dividend tax, which no wrapper removes.

The number to compare with fees: a 1.2-point difference in drag between two funds holding the same stocks is larger than almost any expense-ratio difference. Read why ETFs pay less tax than mutual funds.

Sources

  1. Morningstar tax cost ratios, ten years to 2024, as reported by American Centuryamericancentury.com
  2. Morningstar, why ETFs win the tax battle over mutual fundsmorningstar.com

Used in

ETF share classes: the patent that expired One firm held a patent on attaching an ETF share class to a mutual fund until May 2023. Since November 2025 the SEC has let others do it, and the funds that get one stop paying out gains. Turnover decides location, not asset class Most households shelter index funds in the IRA and keep active holdings in taxable. A 3% return from monthly trading nets 1.4% in taxable and keeps its full value in an IRA. That setup is backwards. Why ETFs pay less tax than mutual funds The average stock mutual fund lost 1.9% a year to tax over the last decade; the average stock ETF lost 0.7%. The gap comes from one line in the tax code, not from smarter managers.

Related concepts

In-kind redemptionTax cost ratioWash-sale rule

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