# What is ETF

By [Untitled](https://paragraph.com/@0xa95c3e11fc52008fc4af89c9f6606ea10f201835) · 2024-03-04

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An exchange-traded fund (ETF) is a type of pooled investment security that can be bought and sold much like an individual stock. The main difference between an ETF and a mutual fund is that though a mutual fund is also a pooled investment, it trades only once a day after market close.

An ETF can be structured to track anything from the price of an individual commodity to a large and diverse collection of securities. ETFs can even be designed to track specific investment strategies.

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*Originally published on [Untitled](https://paragraph.com/@0xa95c3e11fc52008fc4af89c9f6606ea10f201835/what-is-etf)*