Fight Finance

(a) As time elapses, call option prices always fall.

(b) As time elapses, put option prices always fall.

(c) The long future always has a zero Gamma.

(d) The more in-the-money the long call option is, the higher (more positive) is its Delta.

(e) The more in-the-money the long put option is, the lower (more negative) is its Delta.

(a) The option’s expected future continuously compounded returns are always more than or equal to the underlying stock’s expected future continuously compounded returns.

(b) The option’s standard deviation of dollar price changes is always less than or equal to the underlying stock’s standard deviation of dollar price changes.

(c) The option’s standard deviation of continuously compounded returns are always less than or equal to the underlying stock’s standard deviation of continuously compounded returns.

(d) As time elapses and the maturity date of an option approaches, its price will fall, all other things remaining equal.

(e) If the underlying stock’s price rises by $0.01, the call option’s price will rise by less than $0.01 and the put option’s price will fall by less than $0.01.

(a) A one cent ($0.01) increase in the underlying stock price is expected to lead to a 0.747891 cent ($0.00747891) increase in the call option price.

(b) The (risk-neutral) probability of the call option maturing ‘in-the-money’ is 0.643514.

(c) A one cent ($0.01) increase in the underlying stock price is expected to lead to a 0.00053199 unit increase in the call option Delta.

(d) The underlying stocks’ standard deviation of returns per day is 0.015702718 assuming 365 days per year and zero auto-correlation.

(e) After one day, all other things remaining equal, the option price is expected to fall by $1.566433 assuming 365 days per year.