dupont analysis
DuPont ROE Backtest: Quality ROE Beat the S&P 500 by 1.5% Per Year (2000-2025)
We decomposed ROE for 7,900+ US stocks over 25 years. Margin-driven ROE does NOT beat leverage-driven ROE. But filtering for quality ROE (high margin, low leverage) adds 1% annual alpha with 78% down capture.