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Saturday, December 26, 2009, 4:01AM ET - U.S. Markets Closed. Dow Up 0.51% Nasdaq Up 0.71%
T. Rowe Price Summit GNMA (PRSUX)On Dec 24: 9.95  Down 0.02 (0.20%)  
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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):6.55%
Worst 1 Yr Total Return (2005):2.62%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticPRSUXCategory
Alpha (against Standard Index)1.610.23
Beta (against Standard Index)0.660.76
Mean Annual Return6.690.46
R-squared (against Standard Index)7864.12
Standard Deviation2.963.94
Sharpe Ratio1.38N/A
Treynor Ratio6.68N/A
5 Years
StatisticPRSUXCategory
Alpha (against Standard Index)0.75-0.23
Beta (against Standard Index)0.680.78
Mean Annual Return5.490.39
R-squared (against Standard Index)8169.48
Standard Deviation2.663.41
Sharpe Ratio0.87N/A
Treynor Ratio3.67N/A
10 Years
StatisticPRSUXCategory
Alpha (against Standard Index)0.66-0.47
Beta (against Standard Index)0.680.84
Mean Annual Return6.020.44
R-squared (against Standard Index)8378.01
Standard Deviation2.843.66
Sharpe Ratio1.06N/A
Treynor Ratio4.53N/A

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