Return on Equity (ROE)
ROE = Net Income / Shareholders' Equity × 100
Return on equity measures how effectively a company generates profits from shareholders' investments. It shows the return generated on money invested by shareholders and is a key metric for comparing management effectiveness.
Variables
Profit after all expenses, available to shareholders
Total equity (often averaged over the period)
Example Calculation
Scenario
Company MNO has net income of $250,000 and average shareholders' equity of $1,000,000.
Given Data
Calculation
ROE = $250,000 / $1,000,000 × 100
Result
25%
Interpretation
For every dollar of equity, the company generated $0.25 in profit. A 25% ROE is generally excellent, indicating efficient use of shareholder capital.
When to Use This Formula
- ✓Evaluating management performance
- ✓Comparing investment opportunities
- ✓Analyzing shareholder returns
- ✓DuPont analysis for deeper insights
Common Mistakes
- ✗High ROE from excessive leverage (risky)
- ✗Not using average equity for the period
- ✗Ignoring quality of earnings
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Common questions about this formula
Generally, ROE between 15-20% is considered good, and above 20% is excellent. However, compare to industry peers. Also check if high ROE comes from profitability or excessive leverage (which increases risk).
Yes, companies can boost ROE through share buybacks (reducing equity) or excessive borrowing. Use DuPont analysis to decompose ROE into profit margin, asset turnover, and leverage to identify the true drivers.