Patent ID: 7627519

Claim:
A method for displaying market information relating to two tradeable objects being traded on at least one electronic exchange using a graphical user interface and a user input device and having preset parameters for trade orders, the method comprising: dynamically displaying, via a computing device, a first combined quantity indicator at a location corresponding to a first price level of a plurality of price levels on a common static price axis, the first combined quantity indicator representing quantity associated with an order to buy a first tradeable object and an order to buy a second tradeable object pending in an order book of the at least one electronic exchange, wherein the first tradeable object and the second tradeable object are different tradeable objects; dynamically displaying, via the computing device, a second combined quantity indicator at a location corresponding to a second price level on the common static price axis, the second combined quantity indicator representing quantity associated with an order to sell the first tradeable object and an order to sell the second tradeable object pending in the order book of the at least one electronic exchange; displaying, via the computing device, an order entry region comprising a plurality of locations corresponding to the plurality of price levels along the common static price axis, such that a selection of one of the plurality of locations corresponding to a particular price level by a single action of a user input device sends a trade order for the first tradeable object, the second tradeable object, or both the first tradeable object and the second tradeable object based on a quantity allocation rule that is used to allocate a preset default order quantity to determine an order quantity of the trade order; and displaying, via the computing device, a working quantity region for displaying at least one entered order indicator in a location corresponding to the particular price level along the common static price axis, wherein the at least one entered order indicator represents at least one user's trade order working at the particular price level designated with the at least one entered order indicator, wherein the at least one entered order indicator comprises at least one of: a first entered order indicator representing a working trade order for a quantity allocated to the first tradeable object, and a second entered order indicator representing a working trade order for a quantity allocated to the second tradeable object.