TonyJIAO2022-06-18 15:35:51
这句话是short seagull的特征,如果是long seagull的话该怎么表述呢?
回答(1)
Chris Lan2022-06-20 10:55:35
同学您好
long seagull的图形就是long 两端otm的期权,short中间ATM的期权。
其图形如附件。
您可以看一下关于原版书中P191页 example 6中最后一段,这一段题干就是在表述这个策略的特征。
Khan argues that these three options can be combined into a hedge structure that will have some limited downside risk, but provide complete hedge protection starting at the relevant 25-delta strike level. The structure will also have unlimited upside potential, although this will not start until the ZAR/GBP exchange rate moves to the relevant 25-delta strike level. Finally, this structure can be created at a relatively low cost because it involves option writing.
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