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CFA一定过! · 2024年01月02日

不懂

NO.PZ2022061307000017

问题如下:

Question

An investor buys a stock on margin. Assume that the interest on the loan and the dividend are both paid at the end of the holding period. The data related to the transaction are as follows:


The investor’s total return on this investment over the margin holding period is closest to:

选项:

A.15.6%.

B.16.7%.

C.21.4%.

解释:

Solution

C is correct.



黄色部分是指购买的commission吗?为啥用加不是和后面sale那部分一样用减呢

1 个答案

王园圆_品职助教 · 2024年01月02日

同学你好,请看以下答案截图红色框的部分

这里之所以用+,是为了计算初始投资者实际的购买股票的成本——因为初始必须支付股票佣金才能购买成功,所以0.05*500的初始佣金也是计算为成本的一部分的

最后在计算total return的时候,这个佣金也要算作初始投资的一部分,计入计算return时候的分母

但是在计算具体收益的时候,这个初始的佣金成本0.05*500就需要和后面的卖出时候的佣金成本25一样减去来计算实际的收益。

所以计算收益和计算初始成本的时候,+ 和 -的使用是不一样的

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