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✨ Featured Lessons · Lesson 18 of 54 · 75 sec

Warren Buffett's Million-Dollar Bet

💼 In 2007 Warren Buffett bet a million dollars that one boring index fund would beat a room full of elite hedge funds over ten years. How it ended is the most useful thing you'll learn this week.

💡 Key idea

Most professional investors LOSE to a simple index fund.

🧠 Why it matters

Buffett offered a $1 million bet: a simple S&P 500 index fund vs five 'funds of hedge funds' (holding 100+ hedge funds) picked by Protégé Partners. Hedge funds: paid millions, Ivy League MBAs, advanced computers. Index fund: just buys all 500 biggest US companies. Charges about 0.05% in fees.

🌍 In the real world

🏆 10 years later. Result: Index fund returned 125.8%. Hedge funds: 36.3%. Buffett won by about 3.5X. He donated his $1M winnings to charity. The boring index beat the geniuses. About 90% of professional fund managers underperform a basic index over 15 years (93% over 20).

📌 Takeaways

  • Boring index funds beat smartest people on Wall Street
  • ~90% of active fund managers underperform index funds over 15 years
  • Buffett tells his wife: 90% S&P 500 index fund. End of story.
📈Try it: Compound interest calculator →

✅ Test yourself

Buffett's bet of $1M index fund vs hedge funds — who won?
  1. Hedge funds barely won
  2. Tie
  3. Index fund won by ~3.5X
  4. Buffett lost

Answer: C · Index fund won by ~3.5X

Index fund: +125.8%. Hedge funds: +36.3%. Index won by about 3.5x — over 10 years. With NO active management, almost NO fees, NO genius required.

Why do most professional money managers UNDERPERFORM?
  1. They're lazy
  2. High fees + impossible to consistently beat the whole market
  3. Bad luck
  4. Government regulations

Answer: B · High fees + impossible to consistently beat the whole market

Hedge funds charge 2% annually + 20% of profits. Index funds charge 0.03%. That fee gap compounds against active managers. Plus beating the WHOLE market consistently is basically impossible.

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