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Simon2023-11-12 13:02:55
同学,上午好。因为CHF是外币,担心贬值(hedge the exposure using a currency option),所以要做空 long put on CHF(其实到这里已经能选C了),然后题目要求reduce hedging costs,减少对冲成本,所以还要再short 一个call 来抵减成本。
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但是我看解析里是先得出要构建一个collar?不太明白怎么就突然跳出一个collar
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同学,上午好。建议看英文解析,说的更清楚。An OTM put option provides some downside protection against such a move, while writing an OTM call option helps reduce the cost of this option structure.
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