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Thursday, December 3, 2009, 6:58AM ET - U.S. Markets open in 2 hours and 32 minutes. Dow Down 0.18% Nasdaq  0.00%
BlackRock AMT-Free Municipal Bond Inv B (BTIBX)On Dec 2: 10.53  Up 0.03 (0.29%)  
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Risk  As of 31-Oct-09Get Risk for:
RISK OVERVIEW 
Morningstar Risk Rating:Below average
Number of Years Up:4
Number of Years Down:1
Best 1 Yr Total Return (2006):3.11%
Worst 1 Yr Total Return (2008):-4.55%
RISK (MODERN PORTFOLIO THEORY) STATISTICS 
3 Years
StatisticBTIBXCategory
Alpha (against Standard Index)-1.02-2.27
Beta (against Standard Index)0.941.17
Mean Annual Return3.010.19
R-squared (against Standard Index)9287.41
Standard Deviation5.877.66
Sharpe Ratio0.13N/A
Treynor Ratio0.64N/A
5 Years
StatisticBTIBXCategory
Alpha (against Standard Index)-1.39-1.38
Beta (against Standard Index)0.941.15
Mean Annual Return2.650.25
R-squared (against Standard Index)9287.57
Standard Deviation4.786.17
Sharpe Ratio-0.05N/A
Treynor Ratio-0.40N/A
10 Years
StatisticBTIBXCategory
Alpha (against Standard Index)-1.79-1.30
Beta (against Standard Index)0.931.11
Mean Annual Return3.600.39
R-squared (against Standard Index)9288.63
Standard Deviation4.505.59
Sharpe Ratio0.16N/A
Treynor Ratio0.68N/A

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