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🧠 Psychology of Money · Lesson 3 of 8 · 7 min

FOMO & The Herd

🐑 The most expensive four letters in finance are F-O-M-O. By the time something is so obviously winning that your group chat won't shut up about it, you are usually not early. You are the exit liquidity.

💡 Key idea

By the time everyone's piling into a 'sure thing,' you're usually buying the top. FOMO is how the herd buys high.

🧠 Why it matters

HERD MENTALITY is the instinct to do what everyone else is doing — once life-saving, now portfolio-threatening. When a stock or coin is mooning and everyone's getting rich, the fear of missing out overrides judgment and people pile in at the TOP. Every mania — tulips, dot-com, meme stocks, crypto runs — is the herd buying high right before the music stops.

🌍 In the real world

💡 In every bubble, the last wave of buyers is the biggest and the most confident — and they get hurt the most when it pops. 'Everyone is doing it' is a reason to be careful, not a strategy.

📌 Takeaways

  • The herd instinct makes people buy at the top
  • By the time it's obvious, you're often the exit liquidity
  • 'Everyone's doing it' is a warning, not a strategy

📖 Terms in this lesson

FOMO: Fear of missing out: buying because everyone else is, usually near the top.

✅ Test yourself

Why is FOMO so financially dangerous?
  1. It isn't
  2. It makes you pile in at the top, after the easy gains are gone
  3. It saves money
  4. It lowers risk

Answer: B · It makes you pile in at the top, after the easy gains are gone

FOMO pushes people to buy high, late in a mania, right before it reverses.

When 'everyone' is getting rich on one hot asset, it usually means...
  1. Buy as much as possible
  2. You may be late — the herd is buying high
  3. It's guaranteed
  4. Nothing at all

Answer: B · You may be late — the herd is buying high

Mass euphoria often marks the top, where the last buyers get hurt.

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