ExerciseIn German: AusübungAn option buyer’s act of using their right to buy or sell at the strike.Where EllTec Analysis uses this termElliott Waves and Fibonacci: The Complete Guide→EllTec Analysis Tracking Portfolio→Terms that refer to itAmerican optionAssignmentStrikeOption writer (seller)European optionRelated termsDeltaDerivativeDiscount certificateExpirationExtrinsic valueFactor certificateForward contract