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14. What is the Price-to-Book (P/B) Ratio?
The Price-to-Book Ratio (P/B Ratio) is a financial metric that compares a company’s market capitalization (or share price) to its book value — the net value of a company's assets as recorded on its balance sheet.
Formula
P/B Ratio = Market Price per Share ÷ Book Value per Share (BVPS)
Where:
BVPS = Total Shareholders' Equity ÷ Total Outstanding Shares
Alternatively:
P/B = Market Capitalization ÷ Net Worth (Book Value)
What is Book Value?
Book Value = Total Assets – Total Liabilities Represents the net asset value if the company were liquidated today. Excludes intangible assets like goodwill, trademarks, and brand value unless explicitly stated.
Real-World Example
Company details:
Total assets = ₹1,000 Cr Total liabilities = ₹600 Cr Net worth (book value) = ₹400 Cr Outstanding shares = 10 Cr Current market price = ₹60/share
BVPS = ₹400Cr ÷ 10Cr = ₹40 => P/B Ratio = ₹60 ÷ ₹40 = 1.5
The stock trades at 1.5× its book value .
Table: Sample P/B Ratio Comparison
Company Market Price (₹) BVPS (₹) P/B Ratio Interpretation HDFC Bank 1,500 550 2.7× Premium due to consistent profitability SBI 700 420 1.67× Decent valuation for PSU bank PNB 80 100 0.8× Possibly undervalued or in distress ITC 450 55 8.18× Book value low due to high returns Coal India 300 120 2.5× Good dividend, moderate premium
When is a Low P/B Ratio (< 1) Good?
The stock might be undervalued — buying it for less than net asset worth. Particularly relevant for asset-heavy industries:
Banking, Insurance, Power & Utilities, Real Estate, Steel, Cement
Conditions for Low P/B to be Positive:
Company is profitable No asset quality issues No fraud or mismanagement Healthy ROE (Return on Equity)
When a Low P/B is a Red Flag
Investors lack confidence in the company’s ability to generate returns. Often signals:
Declining profits Rising debt Obsolete or overvalued assets Corporate governance issues
Sector-wise Average P/B Ratios (Indicative – India)
Sector Typical P/B Range Remarks Banks (Private) 1.5 – 4.0× Key valuation metric for banking sector PSU Banks 0.6 – 1.5× Priced lower due to risk and inefficiency IT Services 3.0 – 8.0× High ROE, low reliance on physical assets FMCG 5.0 – 12.0× Intangible-heavy; book value less useful Manufacturing 1.0 – 2.5× Asset-heavy, P/B is helpful Real Estate 0.5 – 2.0× Asset-based valuation crucial
P/B Ratio vs. P/E Ratio
Feature P/B Ratio P/E Ratio Based on Assets (Book Value) Earnings (Profit) Ideal for Asset-heavy companies Companies with stable profits Doesn’t work Intangibles-based companies Loss-making companies Limitation Ignores earnings power Ignores asset backing Use with ROE, Debt-Equity, Asset Quality Growth rate, PEG, profit margins
Investor Interpretation Logic
Positive P/B Signals:
Solid companies trading near or below book value Strong balance sheet, low debt ROE > 12–15% Healthy cash flows
Negative P/B Signals:
Weak return on assets Earnings volatility or decline Impaired or illiquid assets Accounting irregularities or litigation risks
Combine P/B With ROE for Stronger Insights
ROE = Net Income ÷ Shareholders' Equity
High P/B + High ROE → Justified premium (e.g., HDFC Bank) Low P/B + Low ROE → Avoid (e.g., troubled PSU) Low P/B + High ROE → Hidden gem (e.g., turnaround case)
Key Takeaways
Measures market price relative to net assets. P/B < 1 may indicate undervaluation — but only if fundamentals are strong. Most useful for banks, NBFCs, manufacturers, and real estate firms. Not suitable for IT, Pharma, or brand-heavy businesses. Combine with:
ROE Debt-to-Equity Cash flows Asset quality analysis