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Wednesday, December 30, 2009, 8:42PM ET - U.S. Markets Closed. Dow Up 0.03% Nasdaq Up 0.13%
American Century Short-Term Govt Inv (TWUSX)On Dec 30: 9.70   0.00 (0.00%)  
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Risk  As of 30-Nov-09Get Risk for:
RISK OVERVIEW 
Morningstar Risk Rating:Below average
Number of Years Up:5
Number of Years Down:0
Best 1 Yr Total Return (2007):6.35%
Worst 1 Yr Total Return (2004):0.66%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticTWUSXCategory
Alpha (against Standard Index)1.471.19
Beta (against Standard Index)0.250.36
Mean Annual Return4.840.41
R-squared (against Standard Index)4348.79
Standard Deviation1.572.18
Sharpe Ratio1.56N/A
Treynor Ratio10.12N/A
5 Years
StatisticTWUSXCategory
Alpha (against Standard Index)0.380.08
Beta (against Standard Index)0.280.38
Mean Annual Return4.080.33
R-squared (against Standard Index)5053.07
Standard Deviation1.381.90
Sharpe Ratio0.74N/A
Treynor Ratio3.91N/A
10 Years
StatisticTWUSXCategory
Alpha (against Standard Index)0.16-0.10
Beta (against Standard Index)0.310.48
Mean Annual Return4.190.37
R-squared (against Standard Index)6165.12
Standard Deviation1.572.29
Sharpe Ratio0.82N/A
Treynor Ratio4.06N/A

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