Two companies can have the same market capitalization and different enterprise values. Market cap measures the public market value of common shares. Enterprise value adjusts that equity value for debt, other capital claims, and cash to estimate the value assigned to the operating business.
Market Cap and Enterprise Value Formulas
Market cap = share price × shares outstanding
Enterprise value = market cap + debt + preferred stock + non-controlling interest − cash and cash equivalents
Market capitalization gives the market value of common equity using a specified share count. Debt and other non-common claims are then added in the enterprise-value bridge. Cash is deducted because the conventional calculation separates cash from the value assigned to operations. The expanded formula applies when preferred stock and non-controlling interests are relevant; other debt-like or non-operating items require consistent treatment.
Same Market Cap, Different Enterprise Value
Assume two businesses have identical $2.0 billion market caps. Their financing positions differ. The example has no preferred stock, non-controlling interest, or other adjustments.
| Illustrative company | Market cap | Debt | Cash | Net debt | Enterprise value |
|---|---|---|---|---|---|
| Company A | $2.0 billion | $1.0 billion | $0.2 billion | $0.8 billion | $2.8 billion |
| Company B | $2.0 billion | $0.1 billion | $0.8 billion | −$0.7 billion | $1.3 billion |
Company A has $800 million in net debt, while Company B holds $700 million in net cash. That produces a $1.5 billion difference in enterprise value, despite the same quoted equity value. The gap reflects the stated debt and cash balances; it says nothing by itself about which operating business is attractively valued.
Which Metric Fits the Comparison?
| Question | Use | Check before comparing |
|---|---|---|
| What market value is assigned to common shares? | Market cap | The share price, date, and share-count basis. |
| How do two operating businesses compare after financing adjustments? | Enterprise value | Debt, cash, preferred claims, non-controlling interests, and other relevant adjustments. |
| How does quoted equity value compare with earnings attributable to common shareholders? | An equity-value multiple such as P/E | The numerator and earnings denominator represent the same shareholder claim. |
| How does enterprise value compare with operating earnings or revenue? | An enterprise multiple such as EV/EBITDA, EV/EBIT, or EV/sales | The operating measure covers the same business perimeter and reporting period as EV. |
Corporate Finance Institute explains why non-controlling interest is added when the operating result includes the fully consolidated subsidiary. Wall Street Prep distinguishes enterprise-value multiples from equity-value multiples by the claims represented in their numerator and denominator.
Cash may be required to operate the business, and debt-like items can require adjustments beyond the simplified formula. Keep the calculation date, share count, accounting perimeter, and treatment of cash and claims consistent. A lower EV does not establish undervaluation without operating performance, growth, risk, and a comparable financial measure.