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What is the P/B ratio?

How many times a company's net worth (book value) its shares trade for.

Apple Inc., COCA COLA CO compared — live data

Companythe P/B ratioHealth Score
Apple Inc.99.89x47.5
COCA COLA CO16.28x ✓50.5

✓ = better on this metric alone (lower wins). Values refresh from live data on every request.

What it is

The price-to-book (P/B) ratio is market cap divided by shareholders' equity (total assets minus total liabilities). It shows how many times the company's accounting net worth its market price represents. A P/B of 1x means the market values the company at exactly its book net worth; 0.5x means it trades at half that.

How it's calculated

P/B = market cap ÷ equity. Equity comes straight off the balance sheet, so unlike P/E it can still be calculated for a company with negative earnings — which is why it's often used to judge distressed or turnaround companies where P/E is unusable.

How to read the number

A P/B well under 1x can mean either a genuine bargain or a business the market thinks is destroying value (in which case a low P/B is a warning, not an opportunity). Asset-heavy industries (banks, insurers, industrials) are usually judged more on P/B; asset-light ones (software, services) usually aren't, since book value understates what actually drives their worth (brand, code, customer relationships).

Common mistakes

Book value can be inflated by intangibles that would be worthless in a real liquidation, or understated for a company that's been buying back stock aggressively for years. Read P/B together with ROE — a low P/B paired with a low ROE is often a value trap, not a bargain.

Related terms

What is the P/E ratio? What is ROE (Return on Equity)? What is the debt ratio?

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