The following definitions apply to the statistics used on this site:

Performance/Total Return

Performance shown as percentage which is calculated using NAV to NAV prices net of fees, including dividends reinvested on payment date.

Performance Consistency

A rating calculated using methodology which compares the consistency of performance of a fund with that of the other funds in the same sector.

Maximum Drawdown

The maximum percentage decline in the NAV of the fund over any period (calculated using monthly prices).

Sharpe Ratio^*

A risk-adjusted measure developed by William F. Sharpe, calculated using standard deviation and excess return of monthly prices to determine reward per unit of risk. The higher the Sharpe ratio, the better the fund's historical risk-adjusted performance.

Sortino Ratio^*

A variation of the Sharpe ratio which differentiates harmful volatility from volatility in general using a value for downside deviation. The Sortino ratio is the excess return over risk-free rate over the downside semi-variance, so it measures the return to "bad" volatility. This ratio allows investors to assess risk in a better manner than simply looking at excess returns to total volatility, since such a measure does not consider how often the price of the security rises as opposed to how often it falls.

Standard Deviation^*

A statistical measure of the historical volatility of a mutual fund or portfolio, usually computed using 36 monthly returns. More generally, a measure of the extent to which numbers are spread around their average.