plural ETFs
: an investment fund that is created to track the performance of a particular market index, commodity, industry, etc. : exchange-traded fund
While ETFs are similar to mutual funds in that they provide diversification by investing in a broad basket of securities, they do have one major difference: ETFs can trade like a stock during the trading day.—Adam Shell

Examples of ETF in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That led Westwood to launch this new ETF, which will invest across the power ecosystem from traditional utilities to grid infrastructure and next-generation technologies. — Ian Thomas, CNBC, 26 Sep. 2026

Word History

First Known Use

1999, in the meaning defined above

Time Traveler
The first known use of ETF was in 1999

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Cite this Entry

“ETF.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ETF. Accessed 4 Oct. 2026.

Legal Definition

ETF

abbreviation
exchange-traded fund
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