投资组合收益率的标准差CFA考试题难度如何?遇到这类题如何计算?

之前小编给你说的是CFA道德科目的考试题,今天小编给你说说其他科目的CFA考试题,投资组合收益率的标准差CFA考试题难度如何?遇到这类题如何计算?

今天小编分享的是计算题,看看你是不是能不能做对呢?如果你能做对,那你这部分知识是掌握了!

CFA考试题

Based on historical returns, a portfolio has a Sharpe ratio of 2.0. If the mean return to the portfolio is 20%, and the mean return to a risk-free asset is 4%, the standard deviation of return on the portfolio is closest to:

根据历史回报率,投资组合的夏普比率为2.0。如果投资组合的平均收益率为20%,无风险资产的平均收益率为4%,则投资组合收益率的标准差zui接近于:

A.12%.

B.8%.

C.10%.

【答案】B查看答案

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【解析】

The Sharpe ratio for a portfolio p, based on historical returns, is defined as Where is the mean return to the portfolio is the mean return to a risk-free asset, and sp is the stancard deviation of return on the portfolio In this instance, 2= (20%-4%)/sp Solving forsp: sp = (20%- 4%)/2 = 8%

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