Fund & Portfolio Comparison

Performance Comparison
Comparison Box

Portfolio Performance Comparison
Name YTD Return 1Yr AR 3Yr AR 5Yr AR 10Yr AR 15Yr AR 20Yr AR Common Inception
BCK (Blackrock California Insured Municipal Income Trust) NA -16.67% -84.44% -66.91% NA NA NA
Data as of 10/05/2012, Common starting date is 10/30/2002
More Performance Analytics Comparison
Name Start Date End Date
BCK (Blackrock California Insured Municipal Income Trust) 10/30/2002 10/05/2012
1 Yr 3 Yr 5 Yr 10 Yr 15 Yr 20 Yr Common Inception
Annualized Return (%) -16.67 -84.44 -66.91 NA NA NA
Sharpe Ratio NA NA NA NA NA NA
Standard Deviation(%) NA NA NA NA NA NA
Draw Down(%) NA NA NA NA NA NA
Yield(%) 0.00 1.11 2.53 3.87 2.58 1.94
Data as of 10/05/2012, Common starting date is 10/30/2002
Performance Comparison Chart
Annualized Rolling Returns Comparison (Minimum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
BCK (Blackrock California Insured Municipal Income Trust) -84.17%
Jun 2009 – Jun 2012
-66.34%
Jun 2007 – Jun 2012
0.00%
NA
0.00%
NA
Annualized Rolling Returns Comparison (Maximum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
BCK (Blackrock California Insured Municipal Income Trust) 12.07%
Apr 2004 – Apr 2007
6.30%
Dec 2002 – Dec 2007
0.00%
NA
0.00%
NA
Annualized Rolling Returns Comparison Chart

3-Year Annualized Rolling Return