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ciaoyy · 2018年09月14日

问一道题:NO.PZ2016082402000054

问题如下图:

    

选项:

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解释:


这道题按照答案求的是“VaR bond组合”,不是“Value bond组合”(即portfolio‘s daily value)呀?

1 个答案

orange品职答疑助手 · 2018年09月14日

同学你好,本题中,利率的daily volatility是1%,即它首先求出了利率变动的VaR,又因为债券组合的价格跟利率是相关的,所以债券价格的VaR,可以通过 利率变动的VaR*债券组合的价格和久期,来计算得到。

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NO.PZ2016082402000054 问题如下 A portfolio consists of two zero-coupon bon, eawith a current value of $10. The first bonha mofieration of one yeanthe seconha mofieration of nine years. The yielcurve is flat, anall yiel are 5%. Assume all moves of the yielcurve are parallel shifts. Given ththe ily volatility of the yielis 1%, whiof the following is the best estimate of the portfolio’s ily value risk (VAR) the 95% confinlevel? US1.65 US2.33 US1.16 US0.82 ANSWER: AThe llration of the portfolio is 1×$10+9×$10=$100\times\$10+9\times\$10=\$100×$10+9×$10=$100 . Multiplie0.01 an1.65, this gives $1.65.一个组合包含两个零息债券,每一个债券价格10,第一个债券的M1,第二个M9,利率全部是5%。假设利率都是平行移动,每日的波动率为1%,请问95%置信区间下的ilyVaR是多少?%VAR=σ*Z(0.95)=1%*1.6595%时z=1.65组合的llration=1*10+9*10=100VaR=100*1.65*1%=1.65 助教你好这题把ration和VaR结合起来之后让我不知从何下手。我首先想到llVaR这个式子,z=1.65,sigma=0.01,asset value=20,可是这样算的话就没答案。题干给出了两只债券各自的ration,要怎么用上这个条件?我还看见这同学问到了讲义上没有的llration https://class.pzacamy.com/qa/97506。所以我想了解,拿到这道题之后,我首先该往哪个方向去思考?谢谢。

2023-07-25 18:18 1 · 回答

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