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seven-zhu · 2021年03月13日

duration

NO.PZ2019070101000093

问题如下:

The table provides relevant information about four bonds in a portfolio, based on the table, the price change for the 8% bond using effective duration if its YTM decreases by 10 basis points is close to?

选项:

A.

$211,601.25.

B.

$223,532.12.

C.

$219,156.99.

D.

$209,111.50.

解释:

A is correct

考点:Bond Duration-DV01

解析:

对于8% bond:

market value=105×0.25×1,000,000=26,250,000

[(-8×-0.001) + (0.5×122×0.001^2)] *26,250,000 = $211,601.25

[(-8×-0.001) + (0.5×122×0.001^2)] *26,250,000 = $211,601.25


这是用的什么公式呀。正常的公式不是应该change of P = -D*P*change of y+0.5*C*(change of y)^2 求吗。后面的(0.5×122×0.001^2) 我看懂了是对于convecity的,前面的那个部分是怎么算的呢,不是应该-8*1.05*(-0.001) 吗

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袁园_品职助教 · 2021年03月14日

同学你好!

P那一部分体现在market value那里了,所以后面中括号外面同意乘以 market value 26,250,000

Jessie999 · 2021年04月11日

25million不应该是25000000吗,为什么是0.25*1000000

袁园_品职助教 · 2021年04月12日

因为那个price那一栏的105对应的是面值100,所以25million相当于是0.25million个面值100的债券

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