Summary
One of the basic tenets of finance is that riskier assets should have a higher expected return, as investors would not be willing to take on the additional risk unless they were rewarded appropriately. A common goal of many investors or traders is to generate as high a return as possible with the least amount of risk taken. Many different measures can be used to determine a portfolio’s risk-adjusted performance, including Jensen’s alpha, the Sharpe Ratio, and the Treynor Measure. Jensen’s alpha, or ex-post alpha, is determined by taking the current portfolio return and subtracting the expected return according to the Capital Asset Pricing Model (CAPM).
SummaryOne of the basic tenets of finance is that riskier assets should have a higher expected return, as investors would not be willing to take on the additional risk unless they were rewarded appropriately. A common goal of many investors or traders is to generate as high a return as possible with the least amount of risk taken. Many different measures can be used to determine a portfolio’s risk-adjusted performance, including Jensen’s alpha, the Sharpe Ratio, and the Treynor Measure. Jensen’s alpha, or ex-post alpha, is determined by taking the current portfolio return and subtracting the expected return according to the Capital Asset Pricing Model (CAPM).
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