Economic Moats: Warren Buffett's Secret to Finding Companies That Compound Forever

You've found a profitable company with solid earnings. The price looks reasonable. So you buy.

Then, six months later, a competitor enters the market with a better product at a lower price. Your company's margins compress. Growth stalls. You're left wondering what went wrong.

This is the story of thousands of investors who miss one critical question before buying: Does this company have a moat?

What is an Economic Moat?

Warren Buffett borrowed the term "moat" from medieval castles, where a water-filled ditch protected the fortress from invaders. In investing, an economic moat is a durable competitive advantage that protects a company's profits from competitors.

Without a moat, a company is vulnerable. Competitors can copy its products, undercut its prices, or steal its customers. Profits erode. The business becomes commoditized.

With a moat, a company can maintain high profit margins, reinvest in growth, and compound shareholder value for decades.

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