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
MMDBX (American Century Long-Term Tax-Free B) NA 6.36% 6.29% 3.23% 3.52% NA NA
Data as of 11/17/2011, Common starting date is 06/07/1999
More Performance Analytics Comparison
Name Start Date End Date
MMDBX (American Century Long-Term Tax-Free B) 06/07/1999 11/17/2011
Last 1 Week 1 Yr 3 Yr 5 Yr 10 Yr 15 Yr 20 Yr Common Inception 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999
Annualized Return (%) 0.00 6.36 6.29 3.23 3.52 NA NA 6.64 0.92 11.69 -2.64 0.12 2.91 1.91 2.71 4.07 9.35 4.45 11.60 -2.61
Sharpe Ratio NA 1.92 1.71 0.54 0.60 NA NA 2.68 0.27 3.15 -0.48 -1.06 -0.18 -0.11 0.51 0.96 2.60 0.82 3.07 -2.83
Standard Deviation(%) NA 3.29 3.64 4.31 3.72 NA NA 2.80 3.13 3.68 7.34 2.76 2.18 2.30 3.47 3.52 3.18 2.64 2.46 2.77
Draw Down(%) NA 4.81 7.63 12.09 12.09 NA NA 2.82 6.17 3.42 12.09 4.53 2.28 2.62 5.67 5.92 3.77 3.50 2.85 3.76
Yield(%) 0.00 2.44 2.89 2.75 3.23 2.90 2.17 1.97 2.72 3.17 2.79 3.04 2.14 2.44 3.66 4.01 4.62 5.23 4.26 2.93
Data as of 11/17/2011, Common starting date is 06/07/1999
Performance Comparison Chart
Annualized Rolling Returns Comparison (Minimum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
MMDBX (American Century Long-Term Tax-Free B) -0.10%
Oct 2005 – Oct 2008
0.88%
Nov 2003 – Nov 2008
3.26%
Jan 2001 – Jan 2011
0.00%
NA
Annualized Rolling Returns Comparison (Maximum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
MMDBX (American Century Long-Term Tax-Free B) 9.32%
May 2000 – May 2003
6.70%
Jan 2000 – Jan 2005
4.64%
Sep 1999 – Sep 2009
0.00%
NA
Annualized Rolling Returns Comparison Chart

3-Year Annualized Rolling Return