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American Century Zero Coupon 2020 Inv (BTTTX)

103.86 Up 0.23(0.22%) Apr 28

Risk as of Mar 30, 2016Get Risk for:
Risk Overview 
Morningstar Risk Rating:3
Number of Years Up19
Number of Years Down7
Best 1 Yr Total Return(Dec 30, 2007):23.08%
Worst 1 Yr Total Return(Dec 30, 2009):-7.42%
Risk (Modern Portfolio Theory) Statistics 
3 Years
StatisticBTTTXCategory
Alpha (against Standard Index)-2.32-2.60
Beta (against Standard Index)1.482.91
Mean Annual Return0.110.38
R-squared (against Standard Index)90.1985.12
Standard Deviation4.669.56
Sharpe Ratio0.280.41
Treynor Ratio0.811.21
5 Years
StatisticBTTTXCategory
Alpha (against Standard Index)-1.22-3.29
Beta (against Standard Index)1.853.21
Mean Annual Return0.470.72
R-squared (against Standard Index)73.3470.86
Standard Deviation5.9610.73
Sharpe Ratio0.940.80
Treynor Ratio3.002.55
10 Years
StatisticBTTTXCategory
Alpha (against Standard Index)-3.46-4.39
Beta (against Standard Index)2.462.66
Mean Annual Return0.570.56
R-squared (against Standard Index)44.8562.56
Standard Deviation11.8110.89
Sharpe Ratio0.490.52
Treynor Ratio2.161.92