Exchange-Traded Fund — The Dollar Dictionary

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Investment

Exchange-Traded Fund

A basket of securities — stocks, bonds, or commodities — that trades on a stock exchange like a single share.

ETFs were a revolutionary invention. Before them, ordinary investors had to either pick individual stocks (risky and time-consuming) or buy mutual funds (often expensive and inflexible — you could only trade at end of day). ETFs combined the best of both: the diversification of a fund with the tradability of a stock.

Most ETFs are passively managed — they simply track an index and don't try to beat the market. This keeps fees extremely low (often 0.03-0.2% annually), compared to actively managed funds (often 1-2%). Research shows that over long periods, most active managers underperform low-cost index ETFs. This is why Jack Bogle's invention of index investing has been called one of the greatest gifts to ordinary investors in financial history.

An ETF is like a sampler platter at a restaurant. Instead of committing to one dish (one stock), you get a little of everything: a few bites of tech, some healthcare, a taste of international markets. You get diversification with the simplicity of a single order — and you can send it back (sell it) any time the market is open.

Real world: The SPDR S&P 500 ETF (ticker: SPY) is one of the most traded securities in history. When you buy one share of SPY, you're effectively buying tiny slices of all 500 companies in the S&P 500 — from Apple and Microsoft to Walmart and JPMorgan. Its annual fee is just 0.0945%. For most ordinary investors, this kind of broad, cheap diversification is hard to beat.

💡 ETFs democratized investing — they gave ordinary people the same diversification strategies that used to require millions of dollars and a private wealth manager.

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