Price-to-Book (P/B) Ratio Calculator
The Price-to-Book (P/B) Ratio compares a company’s total market value (market cap) to its net accounting book value (total assets minus total liabilities). It is widely used to value banks, insurance companies, and asset-heavy firms.
Sensitivity Analysis
Evaluate how variations in key operational drivers impact Price-to-Book (P/B) Ratio.
| Sensitivity Case | Assumption Shift | Driver Value | Price-to-Book (P/B) Ratio | Impact vs Base |
|---|
Formula & Methodology
P/B Ratio = Market Capitalization / Total Shareholders EquityMarket CapShare Price × Total Shares Outstanding.
Book ValueTotal Assets minus Total Liabilities (Book Value of Equity).
Practical Worked Example
First National Bank has $4,000,000,000 in book value equity and a total market cap of $4,800,000,000.
Interpretation & Industry Benchmarks
P/B is the gold standard valuation tool for financial institutions (banks, insurers) and capital-intensive asset holders (REITs, shipping).
Deep value or troubled asset quality.
Healthy standard for financial institutions.
Software and intellectual property firms where physical book value is minimal.
Industry Nuance: P/B is largely irrelevant for asset-light software firms (e.g. Microsoft, Adobe) where value resides in unrecorded code and brand intangibles.
Analytical Limitations
- Ignores internally generated intellectual property, brand goodwill, and human capital.
Frequently Asked Questions
Why is P/B ratio used for banks?
Banks hold mostly financial assets (loans, securities, cash) that are marked to market or carry concrete face values, making book value an accurate proxy for intrinsic worth.