Here is an option quote on IBM from the CBOE Web site showing options expiring in September and October 2012.

a. Which option contract had the most trades today?

b. Which option contract is being held the most overall?

c. Suppose you purchase one option with symbol IBM1222I210-E. How much will you need to pay your broker for the option (ignoring commissions)?

d. Explain why the last sale price is not always between the bid and ask prices.

e. Suppose you sell one option with symbol IBM1222I210-E. How much will you receive for the option (ignoring commissions)?

f. Which call options are currently in-the-money? Which puts are in-the-money?

g. What is the difference between the option with symbol IBM1222I200-E and the option with symbol IBM1220J200-E?

h. On what date does the option with symbol IBM1222U200-E expire?