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 UID223405 帖子284 主题9 注册时间2011-7-11 最后登录2014-7-31 
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| An investor writes a call option at $3 with k=100 on a stock thats he owns.The investor paid $85 for the stock.If it at expiration of the call option the stock price has risen to 110.how much is his profit ? the answer is 18.i can understand that he sell his call to make a $3 and selling his stock when the stock price is 110 so the answer should be 28.wuts wrong with my answer ? thank you !
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