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NO.PZ2020011303000220

问题如下：

Consider a zero-coupon bond with a face value of USD 100 and a maturity of ten years. What is the effective convexity of the bond when the ten-year rate is 4% with semi-annual compounding? (Consider one basis-point changes and measure rates as decimals.)

解释：

The effective convexity is

(67.231190+ 67.363145－2×67.297133)/ (67.297133×0.0001²)=102.53

Note that more decimal places than those indicated were kept to provide this estimate of convexity.

题目问：一个零息债券的面值是100USD，期限是10年，当利率是4%，半年付息一次时，effective convexity是多少？

effective convexity=(V₊+ V_- -2*V₀)/(V₀*1bp^2)

(67.231190+ 67.363145－2×67.297133)/(67.297133×0.0001^2)=102.53

答案中利率平方是怎么来的

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李坏_品职助教 · 2023年04月24日

嗨，从没放弃的小努力你好：

这道题要求债券的有效凸性，可以参考原版书教材里面的公式：

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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.PZ2020011303000220问题如下Consir a zero-coupon bonwith a favalue of US100 ana maturity of ten years. Whis the effective convexity of the bonwhen the ten-yerate is 4% with semi-annucompounng? (Consir one basis-point changes anmeasure rates cimals.) The effective convexity is (67.231190+ 67.363145－2×67.297133)/ (67.297133×0.00012)=102.53Note thmore cimplaces ththose incatewere kept to provi this estimate of convexity. 题目问一个零息债券的面值是100US期限是10年，当利率是4%，半年付息一次时，effective convexity是多少？effective convexity=(V++ V- -2*V0)/(V0*1bp^2)(67.231190+ 67.363145－2×67.297133)/(67.297133×0.0001^2)=102.53 1bp涨得到V+，1bp跌得到V-，利率一共变动了2bp，为什么除的时候用1bp呢？

2024-08-28 10:22 1 · 回答

NO.PZ2020011303000220 请问V-和V+用计算器算出来不是答案里的数啊我是分别求的PMT=0， FV=100，I/Y=2.01 或1.99，N=20，求PV，得出来是67.43和67.165啊。用求现值公式求出来也是这两个数。我算的有问题么？

2021-09-07 08:32 1 · 回答

你好请问这个价格变动的三个67是怎么得到的呢

2020-06-08 00:22 1 · 回答

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