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Dorothy · 2020年02月23日

问一道题:NO.PZ2016082405000078

问题如下:

Which of the following statements regarding WWR and RWR is correct?

选项:

A.

A long put option is subject to WWR if both risk exposure and counterparty default probability decrease.

B.

A long call option experiences RWR if the interaction between risk exposure and counterparty default probability produces an overall decline in counterparty risk.

C.

Declining local currency decrease the position gain in a foreign currency transaction, while increasing risk exposure of the counterparty.

D.

The 2007-2009 credit crisis provides an example WWR from the perspective of a long who had sold credit default swaps (CDSs) as protection against bond issuers' default.

解释:

B  A long call option experiences BWR if risk exposure and counterparty default probability results in decreased counterparty risk. A long put option is subject to WWR if both risk exposure and counterparty default probability increase. Declining local currency can increase the position gain in a foreign currency transaction, while increasing counterparty risk exposure. The 2007-2009 credit crisis provides an example of WWR from the perspective of a long who had bought CDSs as protection against bond issuers’ default.

C怎么理解?题目没说相对于哪一方呀?如何判断是增加还是减少EAD呢?

2 个答案

Dorothy · 2020年02月24日

老师,我回去重新看了一下课件,currency transction里面以美国和乌兹别克斯坦举例,对于美国来说local currency贬值,EAD和PD都增长,所以为WWR,与C描述一致。

品职答疑小助手雍 · 2020年02月24日

你举这个例子position是gain是增加的(美元贬值时对外币的投资升值),C选项说的是decrease in position gain。

品职答疑小助手雍 · 2020年02月23日

同学你好,读起来,我是理解成long外币的一方的。

题目里本币贬值,外币投资decrease,同时EAD increase这三者是不可能同时共存的,所以不管理解成long外币还是short外币其实都是错的。

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