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wuwarm · 2018年10月20日

问一道题:NO.PZ2016082404000039

问题如下图:

    

选项:

A.

B.

C.

D.

解释:


能把quadratic VAR解释一下吗?

1 个答案

orange品职答疑助手 · 2018年10月20日

quadratic是二次的意思,也就是考虑了二阶导Gamma的情况。因为本来算出的VaR是一个负值再取绝对值,所以现在加上二阶导,负值会变大,所以负值的绝对值会变小

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