an option where at some specified time in the future, the holder chooses between a European call and a European put
A derivative that converts to a vanilla put or a vanilla call at the holder's choice.
An option which is transacted in the present but which at some prespecified future date is chosen to be either a put or a call option.
An exotic option that is transacted in the present, but that at some specified future date is chosen to be either a put or a call option.