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176****1430 · 2025年06月28日

这个题的问题能解释一下吗

NO.PZ2023120801000066

问题如下:

An investor purchases an eight-year, 6.4% annual coupon eurobond priced at par and sells it after six years. Assuming interest rates rise by 100 bps immediately after purchase, the investor’s rate of return at the end of six years is:

选项:

A.

lower than 6.4%

B.

equal to 6.4%

C.

higher than 6.4%

解释:

Correct Answer: A

The future value of reinvested coupon interest is:

N=6, PV=0, PMT=6.4, I/Y=7.4, CPT→FV=46.245

The sale price of the bond at the end of six years is:

N=2, FV=100, PMT=6.4, I/Y=7.4, CPT→PV=98.202

which results in a six-year horizon yield of 6.32%, which is lower than 6.40%:


the investor’s rate of return at the end of six years is 这个问题能解释一下吗

1 个答案

笛子_品职助教 · 2025年06月30日

嗨,从没放弃的小努力你好:


the investor’s rate of return at the end of six years is 这个问题能解释一下吗

Hello,亲爱的同学~

按照6.4%的YTM定价,买了一个8年期的债券。

但投资者只打算持有6年,因此在第6年会卖出。

如果债券价格不涨不跌,那么第6年卖出的时候,投资者收益率就等于6.4%。


但我们看到在持有期间,利率上升了100BP,债券价格下跌。

问,第6年卖出的时候,收益率大于还是小于还是等于6.4%。


这个问题如果定性判断的话:需对比investment horizon(6年)和Mac D

但本题没有告知MacD,因此需定量计算。


投资者本金投入= 100元

投资者的收回的现金流金额 = 期间利息与利息再投资+ 最后卖出的价格。


期间利息与利息再投资:

N=6, PV=0, PMT=6.4, I/Y=7.4, CPT→FV=46.245


卖出价格:

N=2, FV=100, PMT=6.4, I/Y=7.4, CPT→PV=98.202


相加,投资者收回的资金是46.245 + 98.202


投入100元,收回(46.245 + 98.202)元,耗时6年。

每年的收益率 = =6.32%


小于6.4%。










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虽然现在很辛苦,但努力过的感觉真的很好,加油!

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