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EvanWu · 2021年09月05日

convexity 判断

* 问题详情,请 查看题干

NO.PZ201812020100000606

问题如下:

Which of Donaldson’s statements is correct?

选项:

A.

Only Statement 1

B.

Only Statement 2

C.

Both Statements 1 and 2

解释:

B is correct.

Statement 2 is correct: If yields rise, a portfolio of a given duration with higher convexity will experience less of a price decrease than a similar-duration, lower-convexity portfolio. Statement 1 is incorrect, as portfolios with larger convexities often have lower yields. Investors will be willing to pay for increased convexity when they expect yields to change by more than enough to cover the sacrifice in yield.

这种题目怎么判断是已经持有了bond还是没有持有呢?

1 个答案

笛子_品职助教 · 2021年09月06日

嗨,从没放弃的小努力你好:



这题直接看statement 1和statement 2就能判断了。就是单纯的把一个高凸性组合,与低凸性组合做理论上的比较,并不涉及到实际是否持有这个组合。


statement 1,大的凸性组合常常有大的收益,这个不对,只有收益曲线变动,大的凸性组合才能相对于小凸性组合有大的收益,如果收益曲线稳定,大凸性组合是相对亏损的。statement 2,如果利率上升,高凸性组合经历的价格下跌比低凸性组合更少,正确。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!