Exchange-Traded Fund - ETF

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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 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.

Now that you know a little more about ETFs -- feel free to check out;
The Benefits Of ETF Investing
An Inside Look At ETF Construction, and
Building An All-ETF Portfolio.

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