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Book-to-Price (P/B) Ratio: Explanation, Mathematics, and Illustration

Assesses a company's market worth against its book value, using the price-to-book (P/B) ratio.

Ratio of Market Value to Book Value: Definition, Mathematics, and Illustration
Ratio of Market Value to Book Value: Definition, Mathematics, and Illustration

Book-to-Price (P/B) Ratio: Explanation, Mathematics, and Illustration

The Price-to-Book (P/B) ratio is a commonly used financial metric that sheds light on a company's value. It compares a share's market price to its book value, offering insight into the value given by the market for each dollar of the company's net worth.

This ratio can be particularly useful for firms with positive book values and negative earnings, as price-to-earnings ratios become useless in such cases. However, it's important to note that recent acquisitions, write-offs, or share buybacks can distort the book value figure in the P/B ratio equation.

Service and information technology companies with minimal tangible assets on their balance sheets may find the P/B ratio less useful, given that intangible assets, such as patents, intellectual property, and goodwill, are not included in the tangible book value.

When searching for undervalued stocks, investors should consider multiple valuation measures to complement the P/B ratio. What counts as a 'good' P/B ratio will depend on the industry in question and the overall state of valuations in the stock market today.

High-growth companies often show price-to-book ratios well above 1.0, whereas companies facing financial distress occasionally show ratios below 1.0.

An alternative valuation ratio is the price-to-tangible-book value ratio (PTVB), which compares the price of a security to its hard (or tangible) book value as reported in the company's balance sheet. Using a valuation measure that adjusts for intangible assets can be helpful when their value is uncertain or hard to quantify.

It's worth mentioning that P/B ratios may not be comparable across companies from different countries due to varying accounting standards.

The P/B ratio is important because it can help investors understand whether a company's market price seems reasonable compared to its balance sheet. Another valuable tool in this regard is the price-to-sales ratio, which shows the company's revenue generated from equity investments.

However, it's crucial to note that the current P/B ratios of the largest cryptocurrency exchanges in the world, such as Binance and Coinbase, are not publicly available. Major exchanges like Binance have extensive user bases and trading volumes, but specific price-to-book ratios are not reported or easily accessible for these private or crypto-focused companies as of 2025.

In conclusion, while the P/B ratio is a valuable tool for investors, it's essential to consider multiple valuation measures and understand the context in which they are being used.

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