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How to Value a Company: The Three Main Approaches

Beginner Investing • 6 min

There's no single 'correct' price tag for a company — that's exactly why analysts use three different methods and see where they land. Comparable companies (comps) checks what similar public companies trade at. Discounted cash flow (DCF) projects a company's own future cash and converts it to today's dollars. Precedent transactions looks at what similar companies actually sold for in real acquisitions.

No single method is treated as gospel — a DCF is only as good as its growth and discount-rate assumptions, comps can be distorted if the whole sector is over- or under-valued, and precedent deals include buyer-specific premiums that may not apply generally.

Insider Angle: professionals rarely trust one number from one method. A real valuation exercise produces a range from all three and gets suspicious when they disagree wildly — that disagreement is often more informative than any single number.
Try This: Pick a public company. Try to find its P/E ratio and compare it to two direct competitors' P/E ratios. Are they similar, or is one an outlier — and if so, can you guess why?

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