iShares S&P S/T Natnl AMT-Free Muni Bd  SUB
 Morningstar Rating (Relative to Category)04-30-13 
 Morningstar ReturnMorningstar RiskMorningstar RatingTM
3-YearBelow AverageAverage2 stars
5-Year------Not Rated
10-Year------Not Rated
OverallBelow AverageAverage2 stars
Morningstar Category: Muni National Short
  Volatility Measurements  
Standard Deviation0.91
Mean1.58
Sharpe Ratio1.63
Trailing 3-Yr as of 04-30-13
  Modern Portfolio Theory Statistics 
Standard Index
Barclays Municipal TR USD
Best Fit Index
R-Squared6197
Beta0.190.86
Alpha0.36-0.44
Trailing 3-Yr as of 04-30-13
Show Data Definitions
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Past performance is not an indication of future results and exchange-traded fund investment returns and share prices will fluctuate. Your investment may be worth more or less than your original cost when you redeem your shares. Current performance may be lower or higher than the performance data quoted.
















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