quality investing
Low Debt Quality on Taiwan Stocks (TAI + TWO): Superior Risk-Adjusted Returns vs TAIEX
D/E < 0.5 + Piotroski F-Score >= 7 on TAI and TWO-listed stocks, backtested 2000-2025. 3.31% CAGR vs 4.09% TAIEX, trailing by 0.78% annually. Max drawdown -25.57% vs -41.11%, down capture 61.45%. Better Sharpe ratio (0.168 vs 0.127) through superior downside protection.