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Churning · 2020年02月08日

问一道题:NO.PZ2016031001000132 [ CFA I ]

问题如下图:

选项:

A.

B.

C.

老师问下这里的1+y y为什么是coupon rate 这道题好像没说ytm哎 直接用coupon rate 不太对吧

   解释:

1 个答案

吴昊_品职助教 · 2020年02月09日

嗨,爱思考的PZer你好:


注意题干:An investor purchases an annual coupon bond with a 6% coupon rate and exactly 20 years remaining until maturity at a price equal to par value.

也就是说,投资者是以平价购买债券的,即以面值买到债券。只有当债券的Coupon rate等于其YTM时,债券才会以面值购买。有了Modified duration,YTM,可以反求出来Macaulay duration.


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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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NO.PZ2016031001000132 问题如下 investor purchases annucoupon bonwith a 6% coupon rate anexactly 20 years remaining until maturity a priequto pvalue. The investor’s investment horizon is eight years. The approximate mofieration of the bonis 11.470 years. The ration gthe time of purchase is closest to: A.-7.842. B.3.470. C.4.158. C is correct.The ration gis closest to 4.158. The ration gis a bons Macaulration minus the investment horizon. The approximate Macaulration is the approximate mofieration times one plus the yielto-maturity. It is 12.158 (= 11.470 × 1.06). Given investment horizon of eight years, the ration gfor this bonpurchase is positive: 12.158 – 8 = 4.158. When the investment horizon is less ththe Macaulration of the bon the ration gis positive, anpririsk minates coupon reinvestment risk. 考点ration gap解析ration g= Macaculration - investment horizon = Mofieration × (1+y) - investment horizon = 11.470 × 1.06 - 8 = 4.1582,故C正确。 这提问的是ration gpurchase 不应该是ration - 20吗?(买的时候还有20年到期)

2023-02-08 07:09 1 · 回答

这里的8是年限还是在投资收益?有点晕

2019-03-04 18:39 1 · 回答

这个6%是coupon rate不是YTM,怎么用6%直接算出了macaulration?    

2018-10-09 18:07 1 · 回答

    这道题是不是出的不够严谨?approximate mofieration=effective ration应该用于含权债券吧?还是说题目已经默认,该不含权债券的approximate MM

2018-02-22 21:30 1 · 回答