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薛定谔的蝎子 · 2020年10月02日

问一道题:NO.PZ2019011002000003

问题如下:

Tim, a credit analyst, is valuing bond C. Bond C is rated at AA. Bond C is a 5-year corporate bond with a par value of $1000. The bond has a fixed annual coupon rate of 6%, and the coupon is paid annually.

Tim believes that the risk-neutral probability of default (Hazard rate) for each date for the bond is 1.50%, and the recovery rate is 25%. Assume there is no interest rate volatility and the government bond yield curve is flat at 2%.

The market price of Bond C is $1087. If the bond is purchased at this price, and there is a default on Date 4, the rate of return to the bond buyer is closest to:

选项:

A.

-15%

B.

-46%

C.

-23%

解释:

C is correct.

考点:计算违约情况下债券的Return

解析:

该5年期债券,在第四年违约,计算投资者收益率可以通过计算IRR得到。

由于在第四年违约,第四年的现金流为第四年的Recovery value;

计算第四期的Recovery value,需要计算出第四期的Exposure,计算步骤和上题一致;有了第四期的Exposure乘以Recovery rate之后,可以得到本期的Recovery value。本题数据和上题一致,可从上题表格知,计算出来的Recovery value为:274.805

该债券在第四期违约,前三期的Coupon仍然可以拿到,因此IRR为:

1087=60(1+IRR)+60(1+IRR)2+60(1+IRR)3+274.805(1+IRR)41087=\frac{60}{(1+IRR)}+\frac{60}{(1+IRR)^2}+\frac{60}{(1+IRR)^3}+\frac{274.805}{(1+IRR)^4}

这道题计算器怎么按

1 个答案
已采纳答案

吴昊_品职助教 · 2020年10月02日

同学你好:

有两种方法:

1.利用计算器第三行,PV= -1087,N=4,PMT=60,FV=274.805-60=214.805,得到I/Y=22.89

2.也可以利用CF来算IRR,CF0= -1087,CF1=CF2=CF3=60,CF4=274.805,计算IRR=22.89

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