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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????

是哦~~~懂了,多谢,多谢

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