小同学2019-05-14 21:30:48
I. The convexity of a 10-year zero coupon bond is higher than the convexity of a 10-year, 6% bond. II. The convexity of a 10-year zero coupon bond is higher than the convexity of a 6% bond with a duration of 10 years. 这两句话我很容易搞混,老师可以再讲一下两者差别么,因为都是跟6%的bond比较,但是第二点是duration 10 years,就zero bond小于了
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Cindy2019-05-15 14:45:31
同学你好,
The convexity of a 10-year zero coupon bond is higher than the convexity of a 10-year, 6% bond.
convexity和久期一样,都是和期限成正比,和coupon,ytm成反比的,因此,久期越大的话,convexity就越大。很显然,第一个债券的久期是比较大的,所以第一个债券的凸性也比较大
The convexity of a 10-year zero coupon bond is higher than the convexity of a 6% bond with a duration of 10 years.
这两个债券的久期相等了,那么我们得从另外一个角度去思考,第二个债券是一个付息债券,既然付息债券的期限是10年的话,说明它的期限是大于10年的,期限越大,convexity就是越大的,所以也是第二张债券的凸性比较大
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