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The Price-to-Book (P/B) ratio compares a company’s market value with its book value. Mathematically, the P/B ratio can be calculated as follows:
For example, suppose a company’s share price is ₹300, and its book value per share is ₹150. Now, P/B = 2 (₹300 divided by ₹150), which indicates that the market price is two times the company’s book value per share.
Generally, investors examine the various levels of the Price-to-Book (P/B) while performing a fundamental analysis. Let’s check them out:
| P/B Ratio | What It May Indicate |
| Low P/B | The stock’s market price is relatively low compared with its book value. This may indicate a lower market valuation.However, such a situation can also point towards: Weak profitabilityPoor asset qualityBusiness risks, or Low expected returns. |
| High P/B | The market price is relatively high compared with book value. This may potentially indicate: A higher expected profitabilityStronger returns on equityCompetitive advantages, or Expectations of future growth. |
| P/B with High ROE | A higher P/B may be supported when the company consistently generates strong returns on its equity. |
| P/B with Low ROE | A low P/B may not represent an attractive valuation if the company generates weak returns from its equity base. |
For example, Company A may trade at a P/B of 1.2 but have weak ROE and declining profits, while Company B may trade at a P/B of 4 but have consistently higher ROE and stronger profitability.
The lower P/B of Company A does not automatically make it “cheaper” in valuation terms.
Therefore, P/B is generally assessed alongside ROE, earnings, asset quality, debt, and industry averages. Additionally, the appropriate P/B level also differs across industries.
P/B is generally assessed alongside ROE, profitability, debt, asset quality, and industry comparisons. Trade246 complements this fundamental analysis with 100+ technical indicators and advanced TradingView charts to examine price trends across NSE-listed stocks.
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