烦请解释一下正确选项

NO.PZ2023091901000052

问题如下：

Two portfolios that have the same expected return are benchmarked to the same market index. In comparing these two portfolios, which of the following statements about performance measures is correct?

选项：

The portfolio with the higher beta will have the higher Treynor ratio.

Jensen’s alpha is particularly well suited for comparing portfolios with different levels of risk.

The portfolio with the higher volatility will have the higher Sharpe ratio but the lower Treynor ratio

There is an exact linear relationship between the Treynor ratio and Jensen’s alpha for each portfolio

解释：

还有为什么B不正确？

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1 个答案

品职答疑小助手雍 · 2023年10月27日

同学你好，Jensen’s alpha等于Rp - Rf - beta*（Rm-Rf）

Treynor ratio=(Rp-Rf)/ beta

你会发现Jensen’s alpha除以beta的话，就等于Treynor ratio - (Rm-Rf）。

这就推出D选项所谓的线性关系： [Treynor ratio- (Rm-Rf) ] *beta = Jensen’s alpha 其中 (Rm-Rf)可以认为是一个市场上的常数。

至于B， Jensen’s alpha顾名思义它其实是衡量的相对benchmark的超额收益，而不是B说的承担不同风险情况向的对比。

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NO.PZ2023091901000052 问题如下 Two portfolios thhave the same expectereturn arebenchmarketo the same market inx. In comparing these two portfolios, whichof the following statements about performanmeasures is correct? A.The portfolio with the higher beta will have thehigher Treynor ratio. B.Jensen’s alpha is particularly well suiteforcomparing portfolios with fferent levels of risk. C.The portfolio with the higher volatility will have thehigher Sharpe ratio but the lower Treynor ratio There is exalinerelationship between theTreynor ratio anJensen’s alpha for eaportfolio 可以详细下B是什么意思吗

2024-06-26 23:42 1 · 回答

烦请解释一下正确选项

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