Ratings & Risk for American Century Tax-Free Bond Inv (TWTIX)

Morningstar Category: Muni National Interm
Number of funds in Category: —
  • Morningstar Ratings

    Return Risk Rating # of Funds
    3-Year Above Average Average
    73
    5-Year Above Average Average
    71
    10-Year Above Average Average
    63
    Overall Above Average Average
    Morningstar's Overall Rating is derived from a weighted average of the fund's 3, 5 and 10 year rating,
    which are based on risk-adjusted performance. Data as of 10/31/2009
  • Volatility Data

    Standard Deviation Mean Sharpe Ratio
    3-Year 4.96 0.35 0.36
    5-Year 4.08 0.32 0.20
    10-Year 4.06 0.41 0.50
    15-Year 3.72 0.43 0.39
    20-Year 3.94 0.48 0.44
    Trailing data as of 10/31/2009
  • Modern Portfolio Theory Statistics

    R-Squared Beta Alpha
    1-Year 93.52 0.93 -1.37
    3-Year 93.86 0.80 0.32
    5-Year 94.04 0.81 -0.13
    10-Year 95.48 0.85 -0.26

    Barclays Municipal TR USD

    Trailing data as of 10/31/2009