A stock currently trades at $20. There is a 20% chance the stock will go up to $21 tomorrow and an 80% chance it will drop to $18. C-Insider the the value of call option with an exercise price of $20, assuming the isk free rate of return is r. The value of the call option is equal to 0.2121-20)+0.8(0), the expected value of the call option O The value of the call option is always worth more than the expected value of the call option The call option is usually worth less than the expected value of the call option in a risk neutral view of the world the value of a call option is its expected value ave