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Mr. Market is your servant, not your guide.
Year: 1987Source: 1987 Berkshire Hathaway Annual Letter

Context

Paraphrasing Benjamin Graham's Mr. Market allegory to explain market fluctuations.

Deep Dive

Buffett borrowed this powerful metaphor from his mentor Benjamin Graham. Imagine you own a share of a private business with a manic-depressive partner named Mr. Market. Every day, he offers to buy your share or sell you his at a price that fluctuates wildly based on his mood. His offer is sometimes absurdly high, sometimes irrationally low — but the underlying value of the business hasn't changed. The key insight: you are free to ignore him when he's emotional, and transact only when his offer is favorable.

Why It Matters Today

Today's markets are more emotional than ever, driven by algorithmic momentum, social media sentiment, and 24/7 news cycles. Mr. Market's mood swings have only become more extreme. Treating market prices as opportunities rather than information is a crucial skill for modern investors.

How to Apply It

Set price alerts for your watchlist at levels you'd be happy to buy or sell. Check stock prices no more than weekly. When markets crash, re-read this allegory and remember that lower prices mean better future returns for new money. When markets soar, be skeptical and update your valuation models.

Topics

investing mr market market psychology value investing