Lets see how an option might be constructed and valued with the four coin toss model. Your friend says hed like to bet so that he only wins! (Dont we all?) He really hates paying when he loses, but he wouldnt be against paying a little something up front before the game starts. If he loses, you keep his up-front money. If he wins, he gets paid appropriately.
Is there some small amount he can pay you before the tossing starts and not be liable for paying any more regardless of outcome, but if his ship comes in (he wants the long shot again, exactly four heads) he will collect exactly $1?
We can accommodate him, and you are probably already figuring out how. Read more