ROE measures profit generated relative to shareholders' equity. It is useful, but a high ROE can sometimes be produced by high leverage or a small equity base.
Formula
ROE = Profit after tax ÷ average shareholders' equity × 100. Definitions can differ, so use a consistent methodology when comparing companies.
DuPont
DuPont breaks ROE into profit margin, asset turnover and financial leverage. This helps identify whether returns come from operations, efficiency or leverage.
How to read it
Study the multi-year trend and compare with similar businesses. A single year's ROE can be distorted by exceptional items or capital changes.
Important trap
High ROE alongside high debt deserves closer examination. Also check cash generation and whether accounting profit converts into cash.
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Deep research: what drives ROE?
ROE can rise through higher profitability, better asset utilisation or greater financial leverage. That is why a high ROE should trigger further questions rather than ending the analysis.
ROE vs ROCE
ROE focuses on shareholder equity; ROCE focuses on operating capital. Comparing both can reveal whether leverage is contributing materially to shareholder returns.
Worked example
If net profit is ₹100 crore and average equity is ₹500 crore, ROE is 20%. If equity falls because of buybacks while profit is unchanged, ROE can rise without any improvement in the underlying business.
When ROE can mislead
High debt, negative or very low equity, large goodwill balances and buybacks can distort the ratio. Always inspect the balance sheet.
What good ROE research asks
- Is ROE stable across the cycle?
- What is driving the ratio?
- How much leverage is involved?
- Is cash generation consistent with profit?
- What return is earned on incremental capital?
ROE checklist
- ☐ Average equity methodology checked
- ☐ Leverage understood
- ☐ Multi-year trend reviewed
- ☐ ROCE compared
- ☐ Cash conversion checked