Vanilla option payoff at expiration. The vanilla call option gives the owner the right to buy an asset (S) at expiration (T) for a fixed amount (K). The vanilla put option gives the owner the right to sell the asset (S) at expiration (T) for a fixed price (K).

List of symbols

	Value of the vanilla call option at expiration
	Value of the vanilla put option at expiration
	Value of the underlying asset at expiration
K	Strike (excercise) price
T	Expiration date

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