IGSB vs SPIB: returns, Sharpe ratio and drawdown

Over the past year, IGSB returned -3.24% against -4.58% for SPIB. Over five years, IGSB averaged -1.10% a year, compared with -2.22% for SPIB. SPIB had the higher Sharpe ratio over the past year (-2.81 vs -3.13), meaning more return for each unit of volatility. The worst peak-to-trough drop over the past year was -4.06% for IGSB and -5.66% for SPIB.