Stock Options: Fair Value Method Refer to the information in E 8-24. If those holding stock options can purchase a share of stock for $48 and the market value of a share of stock on 1/1/09 is $50, how can the option to purchase the share be worth $11. What factors would cause the option to be worth more than $2 ($50  $48)? Remember, the options cannot be exercised until the end of the year.