Book Value

Book value represents the net worth of a company as recorded on its balance sheet. It is calculated by subtracting total liabilities from total assets, then dividing by the number of outstanding shares to get book value per share (BVPS). This metric tells you what shareholders would theoretically receive if the company liquidated all assets and paid all debts.

For example, if Tata Steel has total assets of Rs 2,50,000 crore, total liabilities of Rs 1,80,000 crore, and 120 crore shares outstanding, the book value per share is (2,50,000 - 1,80,000) / 120 = Rs 583 per share. If the stock trades at Rs 1,200, the Price-to-Book (P/B) ratio is 1,200 / 583 = 2.06x.

The P/B ratio is especially important for valuing banks and financial institutions in India. Banking stocks like SBI, Bank of Baroda, and Punjab National Bank are traditionally valued using P/B rather than P/E, because banking earnings can be volatile (affected by provisioning cycles) but book value is more stable. A bank trading below 1x book value (like many PSU banks in 2020) is considered undervalued — though this may also reflect concerns about asset quality (NPAs).

In Indian markets, book value has sector-specific relevance. For asset-heavy sectors like steel, cement, and real estate, book value is meaningful because physical assets have tangible liquidation value. For IT companies like Infosys or TCS, book value is less relevant because their primary assets are human capital and intellectual property, which do not appear on the balance sheet. These companies routinely trade at 10-15x book value.

Warren Buffett famously used book value growth as a key metric for Berkshire Hathaway for decades. In India, value investors screen for stocks trading near or below book value with improving return on equity (ROE) as potential turnaround candidates. However, a low P/B ratio alone is not a buy signal — it could indicate genuine value or a "value trap" where the company's assets are deteriorating.