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酣然大笑 · 2018年11月13日

问一道题:NO.PZ2015120604000033

问题如下图:

    

选项:

A.

B.

C.

解释:


最后这个1.33*1.14为什么要0.5平方呢?TMRR原公司是什么?

1 个答案

菲菲_品职助教 · 2018年11月13日

同学你好,TWRR实质是求几何平均,因为是两年,所以要对结果开根号。

其实就是这个求几何平均的公式。如果不是年度的HPR就不用开方。

酣然大笑 · 2018年11月13日

老师,这个为什么不能【(1+R1)(1+R2)】/2呢

菲菲_品职助教 · 2018年11月14日

因为这个TWRR考虑到了复利的影响,所以不能单纯的就除以2来计算收益率。

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NO.PZ2015120604000033问题如下 Tom bought one share of sto$30 time 0. the enof ye1, the stopai$5 vinper share anthen Tom bought one more share $35.the enof ye2, Tom sol2 shares for $40 each.Calculate the time-weighterate of return on this investment. A.9.88%.B.15.00%.C.23.13%.is correct.ring the year1, the hong return is (35 + 5) / 30 - 1= 33.33%,ring the year2, the hong return is 80 / 70 - 1 = 14.29%Time-weightereturn = [(1.33)(1.14)]0.5 - 1 = 23.13%​你好,问一下。 这个题是用在课程中学过的公式是〈(P1—P0)+I 〉/ P0 算对吧 ? 〈 35—30+5〉/ 30 = 0.333333

2024-03-26 16:03 1 · 回答

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2024-01-05 12:33 1 · 回答

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2023-08-28 22:57 1 · 回答

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2023-08-01 23:24 1 · 回答