98% to 43.72%. The average fund in this category has a mean total return of -0.64% and a standard deviation of 12.23

USAA Precious Metals and Minerals (USAGX), 2009).

Another factor that one should look at when contemplating investing in a mutual fund is how much the fund has rewarded shareholders relative to the risk they have taken.

One should look at a risk-adjusted measure of performance known as the Sharpe ratio. It balances volatility against total return to reveal funds that have delivered the most gains with the least risk. A good fund will have a Sharpe ratio higher than 1.0. The rule is the higher the Sharpe ratio the better. USAA Precious Metals and Minerals has a Sharpe ratio of 0.3%. The average for all funds in this same category is -0.9%

USAA Precious Metals and Minerals (USAGX), 2009).

If you look at the Modern Portfolio Theory Statistics...
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