I think it is safe to say no one has yet figured out what "the way you want to" actually. Are you trying to avoid a bit of slippage (which can either be positive or negative) or do you truly believe you can change the equation when the levels at which these contracts trade is significantly different ... say the 80 points you use in one example?
The prize behind door number one is attainable and door number two is a fantasy.
The prize behind door number one is attainable and door number two is a fantasy.