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.
$209,111.50.
解释:
A is correct
考点:Bond Duration-DV01
解析:
问8%的债券,如果YTM下降10bp,价格变化是多少?
首先,计算coupon rate为8%的债券的市值:
market value=价格*权重*面值=105×0.25×1,000,000=26,250,000
再计算价格变动,YTM change=-10bp=-0.001:
price change($)
=[(-effective duration*YTM change)+(1/2*convexity*(YTM change2)]*market value
=[(-8×-0.001) + (0.5×122×0.0012)] *26,250,000 = $211,601.25
这个怎么能知道要加上二阶导的影响?我看有的题effective duration就算了duration,没加上曲度的影响。