There are several different measures of portfolio performance. However, for a portfolio without a proper diversification the appropriate measure of portfolio performance would be the Treynor measure because it evaluates portfolio performance with respect to systematic risk the Jensen mesure because it measures the risk adjusted performance the Treynor measure because it uses standard deviation as the risk measure the Sharpe measure because it uses beta as the risk measure the Sharpe measure because it evaluates portfolio performance with respect to total risk