俞同学2024-07-19 19:52:34
老师,这个atm call 为什么strike是40.50?39.50 call为什么不可以,这不是离current price最近的么?
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Simon2024-07-22 13:29:02
同学,上午好。
这道题有问题的,因为long straddle策略应该long执行价格相同的期权,put和call都应选择Exercise Price=39.5对应的期权费
A straddle strategy is implemented by buying closer to ATM puts and ATM calls.
Cost of closest to ATM put option (i.e., $39.50 strike) is $2.22.
Cost of ATM call option (i.e., $39.50 strike) is $2.40.
Cost of each straddle option = $2.22 + $2.40 = $4.62
Number of option contracts required to hedge Reddy’s CFT position = 50,000/100 = 500 option contract
Overall cost to implement collar strategy = $4.62 x 500 = $2,310
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