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Wednesday, February 10, 2010, 2:39AM ET - U.S. Markets open in 6 hours and 51 minutes. Dow Up 1.52% Nasdaq Up 1.17%
T. Rowe Price MD Tax-Free Bond (MDXBX)On Feb 9: 10.44  Down 0.01 (0.10%)  
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Risk  As of 31-Jan-10Get Risk for:
RISK OVERVIEW 
Morningstar Risk Rating:Average
Number of Years Up:4
Number of Years Down:1
Best 1 Yr Total Return (2009):17.99%
Worst 1 Yr Total Return (2008):-6.67%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticMDXBXCategory
Alpha (against Standard Index)-0.58-2.50
Beta (against Standard Index)1.011.20
Mean Annual Return4.070.24
R-squared (against Standard Index)8986.91
Standard Deviation6.357.99
Sharpe Ratio0.34N/A
Treynor Ratio2.07N/A
5 Years
StatisticMDXBXCategory
Alpha (against Standard Index)-0.36-1.13
Beta (against Standard Index)1.001.11
Mean Annual Return3.840.27
R-squared (against Standard Index)9089.84
Standard Deviation5.105.77
Sharpe Ratio0.20N/A
Treynor Ratio0.93N/A
10 Years
StatisticMDXBXCategory
Alpha (against Standard Index)-0.35-0.93
Beta (against Standard Index)1.001.06
Mean Annual Return5.460.42
R-squared (against Standard Index)9390.87
Standard Deviation4.775.21
Sharpe Ratio0.55N/A
Treynor Ratio2.64N/A

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