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Thursday, December 24, 2009, 12:54AM ET - U.S. Markets open in 8 hours and 36 minutes. Dow Up 0.01% Nasdaq Up 0.75%
Columbia MA Tax-Exempt B (CMABX)On Dec 23: 7.56  Down 0.05 (0.66%)  
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Risk  As of 30-Nov-09Get Risk for:
RISK OVERVIEW 
Morningstar Risk Rating:Above average
Number of Years Up:4
Number of Years Down:1
Best 1 Yr Total Return (2006):3.79%
Worst 1 Yr Total Return (2008):-5.03%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticCMABXCategory
Alpha (against Standard Index)-2.24-1.68
Beta (against Standard Index)1.231.11
Mean Annual Return2.240.23
R-squared (against Standard Index)9889.00
Standard Deviation7.477.28
Sharpe Ratio0.03N/A
Treynor Ratio-0.02N/A
5 Years
StatisticCMABXCategory
Alpha (against Standard Index)-1.74-0.94
Beta (against Standard Index)1.251.04
Mean Annual Return3.030.31
R-squared (against Standard Index)9890.93
Standard Deviation6.185.40
Sharpe Ratio0.04N/A
Treynor Ratio0.04N/A
10 Years
StatisticCMABXCategory
Alpha (against Standard Index)-1.66-0.92
Beta (against Standard Index)1.291.04
Mean Annual Return4.640.40
R-squared (against Standard Index)9791.42
Standard Deviation6.125.12
Sharpe Ratio0.30N/A
Treynor Ratio1.33N/A

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