ALSN vs SPY: returns, Sharpe ratio and drawdown

Over the past year, ALSN returned +37.38% against +13.70% for SPY. Over five years, ALSN averaged +27.57% a year, compared with +10.77% for SPY. ALSN had the higher Sharpe ratio over the past year (1.04 vs 0.73), meaning more return for each unit of volatility. The worst peak-to-trough drop over the past year was -9.13% for SPY and -20.58% for ALSN.