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Warren Buffett bet $1 million that you can't beat a boring index fund
💡 Owning the whole market cheaply usually beats paying experts to pick winners, because their fees compound against you year after year.
In 2007, Warren Buffett made a public $1 million bet: a plain S&P 500 index fund — which simply owns a slice of 500 big U.S. companies and does nothing clever — would beat a hand-picked basket of elite hedge funds over ten years. The pros charged high fees to actively pick winners and time the market. Buffett bet they couldn't overcome their own costs.
He won, and it wasn't close. Over 2008–2017, the index fund returned about 7.1% per year, while the hedge funds averaged roughly 2.2%. The culprit wasn't stupid stock-picking — it was fees and turnover. Every trade, salary, and 'we'll do better' promise skims a cut, and those costs compound against you just as returns compound for you.
This is why passive investing — buying the whole market cheaply and holding it — beats most active management over long horizons. Studies of fund performance consistently find that the majority of active managers underperform their benchmark index over 10–15 years, largely because they must clear a fee hurdle every single year. Being average, at low cost, quietly wins.