标题: 原版书后习题，关于option的 [打印本页]
作者: freyayi 时间: 2012-5-11 14:25 标题: 原版书后习题，关于option的
16. An investor writes a call option priced at $3 with an exercise price of $100 on a stock that he owns. The investor paid $85 for the stock. If at expiration of the call option the stock price has risen to $110, the profit for the investor’s position would be closest to:
A. $3.
B. $12.
C. $18.
为什么用100-85+3，而不是用110-85+3？？？？
作者: sundang429 时间: 2012-5-11 19:42
the exercise price of the call is lower than the market price at the expiration ,the buyer of the call option will excercize the call, it means the writer of the call have to sell the underlying stock at $100,the writer buy the stock at $100 ,so his profit =100-85=15, and he also receives the premium of the call $3, total profit =15+3=$18
作者: sundang429 时间: 2012-5-11 19:43
the exercise price of the call is lower than the market price at the expiration ,the buyer of the call option will excercize the call, it means the writer of the call have to sell the underlying stock at $100,the writer buy the stock at $85 ,so his profit =100-85=15, and he also receives the premium of the call $3, total profit =15+3=$18
作者: O_Opink 时间: 2012-5-11 23:59
楼上正解 因为已经锁定exercise price是100
卖价定在100 就算实际价格涨到200
他也只能以100来卖咯
作者: freyayi 时间: 2012-5-21 10:00
是哦~~~懂了，多谢，多谢
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