单选题 An options investor purchases one stock put option with the following characteristics: Type of option: put option on Hock Underlying asset: 100 shares of WalMart Exercise price: $47.50 per share Premium : $2.00 per share Expiration date : October If the expiration-day price of WalMart stock were $5000 per share, the profit/loss for the LONG put option would be:

A、

A. - $2.00.
B、

B. $0.50.
C、

C. - $0.50.

【正确答案】 A

【答案解析】
Max(O, X-S_T) -P_t =Max(0, 47.50-50.00) -2.00 =Max(0, -2.50) -2.00 =0- 2.00= -2.00