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Metric

Price-to-Book Ratio (P/B)

Category

Valuation Metrics

Definition

The price-to-book ratio divides market capitalization by total shareholders' equity (book value). It measures how much investors are paying relative to the company's net asset value on the balance sheet. A P/B of 1.0 means the stock trades at exactly its book value. Below 1.0 may indicate undervaluation or asset quality concerns. Above 1.0 means the market believes the company's assets are worth more than their accounting value — due to intangible assets, brand value, growth potential, or earning power not captured on the balance sheet.

Formula

Price-to-Book = Market Capitalization / Total Shareholders' Equity

How GeminIQ calculates this metric

GeminIQ divides market cap by total equity from the balance sheet as filed with the SEC.

FAQ

Q: What is a good P/B ratio?

A: Below 1.0 is considered value territory. Between 1.0 and 3.0 is moderate for most industries. Above 5.0 is common for asset-light businesses like software and services where most of the value is in intangible assets not on the balance sheet. Financial companies are traditionally valued relative to book, with P/B near 1.0-1.5 considered fair value.

Q: Why do some companies have very high P/B ratios?

A: Companies with strong brands, intellectual property, or network effects often have minimal tangible assets on the balance sheet relative to their earning power. A software company may have $2B in book equity but $50B in market cap because the value is in its code, customers, and market position — none of which appear as assets on the balance sheet.

Q: Why might P/B differ between platforms?

A: Differences in how shareholders' equity is defined — whether it includes minority interests, preferred equity, or accumulated other comprehensive income — directly change P/B. GeminIQ uses Total Shareholders' Equity as reported.