Exchange-Traded Fund - ETF

Dictionary Says

Definition of 'Exchange-Traded Fund - ETF'

A security that tracks an index, a commodity or a basket of assets like an index fund, but trades like a stock on an exchange. ETFs experience price changes throughout the day as they are bought and sold. 

Investopedia Says

Investopedia explains 'Exchange-Traded Fund - ETF'

Because it trades like a stock, an ETF does not have its net asset value (NAV) calculated every day like a mutual fund does.

By owning an ETF, you get the diversification of an index fund as well as the ability to sell short, buy on margin and purchase as little as one share. Another advantage is that the expense ratios for most ETFs are lower than those of the average mutual fund. When buying and selling ETFs, you have to pay the same commission to your broker that you'd pay on any regular order.

One of the most widely known ETFs is called the Spider (SPDR), which tracks the S&P 500 index and trades under the symbol SPY.

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Related Definitions

  • Index ETF

    Exchange-traded funds that follow a specific benchmark index as closely as possible. Index ETFs are much like index mutual funds, but whereas the mutual fund shares can only be redeemed ...
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  • Index Fund

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    • Exchange Traded Products – ETP

      A type of security that is derivatively-priced and which trades intra-day on a national securities exchange. Exchange Traded Products are derivatively-priced, where the value is derived ...
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    • Spiders - SPDR

      A short form of Standard & Poor's depositary receipt, an exchange-traded fund (ETF) managed by State Street Global Advisors that tracks the Standard & Poor's 500 Index (S&P 500). Each ...
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    • Auto Industry ETF

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    • International ETF

      Any exchange-traded fund that invests in foreign-based securities. The focus may be global, regional (such as Latin America, Asia-Pacific, etc.) or on a specific country. International ...
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    • ETF Sponsor

      The company or financial institution which creates and administers an exchange-traded fund. To set up the ETF, the sponsor creates the underlying index around which the ETF will be ...
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