A traditional Call Ratio Spread is the simultaneous of a against a in which the intersect. This would often be referred to as a 2:1 call ratio, because you are technically selling two short calls against one The goal of this strategy is to eliminate risk to the downside, while simultaneously creating a small zone of extremely high potential potential. An advanced trader with adequate capital might alter this ratio to something like 3:1 or 3:2, for example. typically have a very high probability of profit.