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Return on Equity

August 22, 2026 · Aditya Gupta

Accounting

Return on Equity (ROE) is net income divided by shareholders' equity — measuring how efficiently a company generates profit from owner capital. A 15% ROE means $15 profit per $100 of equity. Average S&P 500 ROE is around 15-20%. Higher is generally better but can signal high leverage (which inflates ROE). Dupont analysis decomposes ROE into Net Margin × Asset Turnover × Financial Leverage, separating operational excellence from capital structure choices. Consistently high ROE (20%+) over many years indicates competitive moat; declining ROE signals competitive pressure or capital misallocation. Warren Buffett uses 15%+ ROE as a quality screen.

Accounting

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