1. A method, comprising: generating and displaying, via a computing device, a differential value axis having a plurality of differential values, each differential value representing a difference between values of a plurality of products determined via the computing device according to at least market information having bids and offers for each of the plurality of products where the differential value axis is displayed via an output device of the computing device; generating and displaying, via the computing device, a bid indicator along the differential value axis according to the market information; and generating and displaying, via the computing device, an offer indicator along the differential value axis according to the market information.