Glossary/Valuation

Book Value

Also known as Accounting value, Net asset value on the balance sheet

Book value is the accounting value of an asset, liability, or shareholders’ equity recorded on a balance sheet under the applicable reporting standards. For a company, common equity book value generally equals recognized assets minus liabilities and claims senior to common shareholders.

Editorially reviewed 2026-07-30

Why book value matters

Book value provides an audited or reported reference for capital invested in a business and supports measures such as price-to-book and return on equity. It can be informative for banks, insurers, and asset-heavy businesses whose balance sheets are central to earnings capacity. It is not automatically liquidation value or economic worth, because accounting recognition, historical cost, impairment, and internally generated intangible assets can differ greatly from market reality.

How it is applied

Analysts begin with reported shareholders’ equity, then may subtract preferred equity, goodwill, or other intangible assets to calculate common or tangible book value. Per-share figures divide by diluted or period-end shares as appropriate. Adjustments can align asset values, pension deficits, leases, credit losses, or minority interests with the valuation purpose. Comparisons should use consistent accounting standards and examine whether returns earned on the book capital are sustainable.

Formula

Common book value = Total assets - Total liabilities - Preferred equity
Total assets
Recognized accounting resources controlled by the company
Total liabilities
Recognized obligations and creditor claims
Preferred equity
Claims senior to common shareholders classified within equity

Portfolio example

A bank reports $120 billion of assets, $108 billion of liabilities, and $2 billion of preferred equity. Common book value is $10 billion. If its common shares trade at $12 billion, price-to-book is 1.2. That premium may be justified by strong expected returns on equity, or it may be vulnerable if loan losses are understated and reported assets require write-downs.

How to interpret it

Market value above book can indicate valuable franchises, profitable reinvestment, unrecognized intangible assets, or optimistic expectations. A discount can indicate weak profitability, asset-quality concern, excess capital, or genuine undervaluation. The ratio should be interpreted with return on equity, cost of equity, growth, accounting quality, and asset composition. Negative book value makes ordinary price-to-book analysis difficult and does not by itself establish insolvency.

Limitations and common misconceptions

Historical-cost accounting can make old assets stale, while estimates for impairment, reserves, and pensions require judgment. Internally developed brands, software, and human capital are often absent even though they drive value. Acquisitions can add goodwill that reduces comparability. Buybacks and dividends change book value mechanically. Liquidation proceeds may be far below reported amounts. Investors should reconcile book measures with cash flows, earnings power, leverage, and market-based evidence.

Sources and further reading

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