ASTS vs IRDM: returns, Sharpe ratio and drawdown

Over the past year, IRDM returned +134.39% against -50.90% for ASTS. Over five years, ASTS averaged +29.66% a year, compared with +1.55% for IRDM. IRDM had the higher Sharpe ratio over the past year (1.62 vs -0.16), meaning more return for each unit of volatility. The worst peak-to-trough drop over the past year was -21.46% for IRDM and -69.45% for ASTS.