See the option quote on IBM from the Cboe website below.

Which option contract had the most trades today?

Which option contract is being held the most overall?

Suppose you purchase one $19$ Jul $125$ call option. How much will you need to pay your broker for the option $($ignoring commissions$)?$

Suppose you sell one $19$ Jun $135$ call option. How much will you receive for the option $($ignoring commissions$)?$

The calls with which strike prices are currently in$-$the$-$money? Which puts are in$-$the$-$money?