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dognmnm · 2023年03月08日

short option对冲风险

NO.PZ2018111501000016

问题如下:

Raymond, a US analyst, is managing a fund with EUR-denominated assets. In order to protect the assets from downside return movement, he decides to use option contracts. However, he also wants to reduce hedging costs. Assume the fund performance is measured in USD, he will most likely choose to:

选项:

A.

buy an USD/EUR ATM put option

B.

write an USD/EUR OTM call option

C.

buy an USD/EUR OTM put option.

解释:

C is correct.

考点:Strategies to Modify Risk and Lower Hedging Costs

解析:

为了避免外汇资产下跌,应该买put option(注意是DC/FC的外汇报价方式),所以B选项排除。由于这个分析师需要降低对冲成本,那么选择OTM put option更符合他的要求。

b选项在EUR下跌时可以坐收期权费, 这难道不算是对冲风险吗? 还是说这只能算增加收益?

2 个答案

pzqa31 · 2024年01月07日

嗨,爱思考的PZer你好:


就是说short call这个头寸本身

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Hertz_品职助教 · 2023年03月08日

嗨,爱思考的PZer你好:


同学你好

管理外汇风险是想要在外币资产下跌的时候可以提供保护,但是一旦外币资产升值还能保留收益。所以需要long put。

但是如果是B选项的short call,获得只是固定的期权费,一般只能在外币资产下跌的时候提供一点点保护,很快这个缓冲就被突破了。它和long put是明显不同的。而且short call的裸头寸是非常危险的,因为理论上,标的是有无限上涨的可能的,就意味着short call有无限的损失,这可就不是对冲风险,而是引入大的风险了,因此也才有了covered call策略。

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jerryhuqian · 2024年01月06日

为什么说是裸头寸,不是有欧元现货资产吗

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