Sharpe Ratio
Sharpe Ratio is a risk to reward ratio, it measures portfolio returns generated in excess to the investment in risk-free asset, for per unit of total risk taken. While, positive Sharpe ratio indicates, portfolio compensating investors with excess returns (over risk-free rate) for the commensurate risk taken; negative Sharpe ratio indicates, investors are better off investing in risk-free assets.

Beta (B) of a portfolio is a number indicating the relation between portfolio returns with that of the market index i.e. it measure the volatility, or systematic risk, of a portfolio in comparison to the market as a whole..

Modified Duration
A formula that expresses the measurable change in the value of a security in response to a change in interest rates. Modified duration of portfolio can be used to anticipate the change in market value of portfolio for every change in portfolio yield.

Standard Deviation
A statistical measure that defines expected volatility/risk associated with a portfolio. This explains the variation/deviation from the average returns delivered by the portfolio. A higher standard deviation means higher volatility (risk) and a lower standard deviation means lower volatility.

Risk Free Return
The theoretical rate of return of an investment with safest (zero risk) investment in a country.

Tracking Error
Tracking error indicates how closely the portfolio return is tracking the benchmark Index return. It measures the deviation between portfolio return and benchmark index return. A lower tracking error indicates portfolio closely tracking benchmark index and higher tracking error indicates portfolio returns with higher deviation from benchmark index returns.

Total Expense Ratio
Total expenses charged to scheme for the month expressed as a percentage to average monthly net assets.

Average Maturity
Weighted average maturity of the securities in scheme.

Portfolio Yield (Yield To Maturity)
Weighted average yield of the securities in scheme portfolio.