Book Value approach
Also written Book value or NAV approach · Asset based valuation - book value · NAV approach to valuation
The first of the three asset-based valuation methods: value the company at the historical carrying cost of its assets and liabilities, giving a book value per share treated as the floor price.
In plain language
If you have landed here looking for what book value per share means as a ratio, you want book value. This page is about using it as a method of valuing a business.
Asset based valuation asks a simple question. Forget what the business might earn. What is it made of?
The workbook gives three ways to answer that, and they differ only in what price you put on the assets.
The book value approach uses the price already in the books — historical cost, as the balance sheet records it. The replacement cost approach asks what it would cost to build the same business today. The break-up value approach asks what the pieces would fetch if you shut it down.
Book value comes out in the middle, and it has a special standing. The workbook calls it the floor price — the least value you would attribute to a going concern, a business expected to continue.
Why a floor? Because it counts nothing for the future. It takes no view on growth, on brand, on management. Those things can only add.
How it works
Section 14.5 sets out asset based valuation and its three approaches.
The common idea. The value of the equity share is arrived at as the net asset value per share — the total net asset value of the company divided by the number of outstanding shares. The method does not take into account any future value attributable to the business, and considers only the market value of the assets less the liabilities.
The three approaches, and what each prices the assets at:
| Approach | Assets valued at | What it measures | Used for |
|---|---|---|---|
| Book Value or NAV | Historical carrying cost in the books | Equity value — the floor price of a going concern | A going concern, as a floor |
| Replacement Cost | Cost of replacing the entire business as-is-where-is, plus the costs of establishing it as a going concern in its present state | Enterprise value | Businesses with high entry barriers or setting up costs |
| Break-up Value | Salvage value if the business were shut down on the valuation date | Equity value | A company in distress or with no future business case |
The formula.
Book Value per Share = Equity Shareholders' funds as per balance sheet ÷ Number of equity shares issued and paid up
The standing of the answer. Under the first method all the assets and liabilities of the company as on the valuation date are considered at historical carrying cost in the books. Book value of a share of a company is normally considered the floor price, or the least value attributable to a going concern business which is expected to continue in business in future.
The exclusion that decides the arithmetic. In the workbook's Illustration 14.4 the revaluation reserve is not included in cash net worth, and the footnote gives the reason: cash net worth does not include revaluation reserve, hence it is excluded from valuation. A revaluation reserve is an upward writing-up of an asset, not money the shareholders put in or the company earned. Including it would price the assets above historical cost, which is the one thing this approach does not do.
What it is not good enough for on its own. Asset based valuation is not considered an independent method. When employed it would more often than not be used in conjunction with other methods, assigning appropriate weightage based on its overall importance in the given valuation context. It is most appropriate for asset heavy businesses and distressed companies facing liquidation, and ideal for financial businesses such as banks and financial or investment companies.
Where it sits among the alternatives. Section 14.6 is the discounted cash flow method, which finds the present value of free cash flow discounted at the weighted average cost of capital, typically forecast for about 5 years plus a perpetual terminal value. Section 14.7 is relative valuation, on multiples such as EV/EBITDA, EV/Sales, P/E and P/BV. Only asset based valuation ignores the future entirely, which is exactly what makes it a floor rather than an answer.
A worked example
The workbook's own Illustration 14.4 values Alpha Ltd on all three asset-based approaches from one balance sheet, with 10,000 outstanding shares.
A note on the figures. The printed balance sheet in the workbook is headed Rs crore while the amounts are plainly in rupees, and the computations that follow treat them as rupees. The rupee reading is the internally consistent one, so it is used below.
I. Book value.
| Line | Rs |
|---|---|
| Equity capital | 1,00,000 |
| General reserve | 50,00,000 |
| Capital redemption reserve | 25,00,000 |
| Debenture redemption reserve | 20,00,000 |
| Surplus in the profit and loss account | 5,00,000 |
| Total cash net worth | 1,00,00,000 |
| Tangible net worth (equity value) | 1,01,00,000 |
| Number of shares | 10,000 |
| NAV per share | Rs 1,010 |
The revaluation reserve of Rs 15,00,000 sits on the balance sheet and is left out. Had it been included, the answer would have been Rs 1,160 a share — a 15% overstatement produced entirely by a book entry.
II. Break-up value, on the workbook's further information: fixed assets fetch 40% of book value if scrapped, receivables fetch 25% less on liquidation, payables settle 15% lower, and the intangibles — trademarks and patents — would fetch Rs 5 lakh more.
| Line | Rs |
|---|---|
| Tangible net worth, as above | 1,01,00,000 |
| Add appreciation in stock and intangibles, and reduction in payables (3.5L + 5L + 1.5L) | 10,00,000 |
| Less fall in the scrap value of fixed assets and in receivables (72L + 6.25L) | (78,25,000) |
| Break-up value of business (equity value) | 32,75,000 |
| Break-up value per share | Rs 327.50 |
III. Replacement value, on the further information that fixed assets are worth 10% less on a going concern basis and that setting up licences, registrations, approvals and pre-operative costs would take Rs 20,00,000.
| Line | Rs |
|---|---|
| Book value of assets | 2,00,00,000 |
| Add appreciation in stock and intangibles (3.5L + 5L) | 8,50,000 |
| Add additional setting up costs | 20,00,000 |
| Less fall in fixed asset value on a going concern basis | (12,00,000) |
| Replacement value of business (enterprise value) | 2,16,50,000 |
Now read the three answers together.
| Approach | Answer | Per share |
|---|---|---|
| Break-up value | Rs 32,75,000 (equity) | Rs 327.50 |
| Book value | Rs 1,01,00,000 (equity) | Rs 1,010 |
| Replacement value | Rs 2,16,50,000 (enterprise) | not comparable per share |
Three methods, one balance sheet, and the book value sits three times the break-up value. That is the floor-price idea made concrete: if Alpha keeps trading, Rs 1,010 is the least you would pay; if it stops trading tomorrow, Rs 327.50 is what is left.
And the replacement figure is not a fourth opinion on the same thing. It is an enterprise value, so the debt would have to be deducted before it could be compared with the other two.
Why NISM asks about it
Chapter 14 (Valuation), section 14.5 on Asset based Valuation, introduces the three approaches and works all three in Illustration 14.4. Sections 14.6 and 14.7 then give the DCF and relative valuation alternatives, and section 14.4.1 supplies the enterprise value versus equity value distinction that the replacement figure turns on.
Expect the three-way matching question: which approach uses historical carrying cost (book value), which uses replacement cost as-is-where-is (replacement), and which uses salvage value on shutdown (break-up). Expect the floor-price line — book value is the least value attributable to a going concern. The formula is examinable, and so is the treatment of the revaluation reserve, which is excluded. The higher-order point worth carrying is that asset based valuation is not an independent method and is used with appropriate weightage alongside others.
Common exam traps
- Exclude the revaluation reserve. The workbook's footnote is explicit, and including it inflates the answer. This is the single easiest mark to lose in Illustration 14.4.
- Book value gives an equity value; replacement cost gives an enterprise value. The workbook labels them so. Comparing them per share without deducting debt is wrong.
- Book value is the floor for a going concern, not the floor full stop. For a distressed company the relevant floor is the break-up value, which in Illustration 14.4 is under a third of book value.
- Replacement cost adds the cost of establishing the business as a going concern, not merely the cost of the assets. That is why it suits businesses with high entry barriers or set-up costs.
- Asset based valuation takes no account of future value. A question asking which method ignores growth prospects is asking for this one.
- It is not an independent method. Answering that a company can be valued on book value alone contradicts the workbook.
- It is ideal for banks and financial or investment companies, and for asset heavy and distressed businesses — not for a start-up, whose book value the workbook elsewhere notes can even be negative once accumulated losses wipe out reserves.
Where this is taught
Free preparation for NISM Series XIX-CRelated terms
- Book valueA company's net worth — equity capital plus reserves — divided by its outstanding shares, the accounting value each share would theoretically get if the company wound up today.
- Cost based valuationValuing an asset by what it would cost to build it from scratch today, rather than by its cash flows or the price of comparable assets — mainly used by strategic, not financial, investors.
- Enterprise ValueWhat it would cost to buy the whole business — market capitalisation plus debt, less cash — as opposed to market capitalisation, which buys only the equity.
- Net Asset ValueThe net assets of a mutual fund scheme divided by the number of units outstanding — what one unit of the scheme is worth on a given day, after every liability except the unitholders' own.
- Price to Book ValueShare price divided by book value per share — how many times the accounting net worth of a company the market is willing to pay.
- Relative valuationValuing an asset from the prices of comparable assets rather than from its own cash flows — quick, intuitive, and dependent on whoever set those comparable prices being right.
- Break-up Value ApproachAn asset-based valuation that measures what a company would fetch if it were shut down on the valuation date and sold in pieces — liquidation value of assets less settlement value of debt.
- Replacement Cost ApproachAn asset-based valuation that values a business at what it would cost to replace it as it stands today, including set-up costs — suited to businesses with high entry barriers or setting-up costs.
- Independent ValuerThe valuer of a Category III AIF's unlisted holdings — not an associate of manager, sponsor or trustee, with 3 years' experience, and IBBI-registered with a professional membership or a CRA group entity.