Patent ID: 7228289
Filing Date: 2007-06-05
Classification: G06Q

Abstract:
1. A trading display and order placement apparatus comprising: a microprocessor; a graphical user interface coupled to the microprocessor comprising three or more screen regions; a first screen region comprising a plurality of locations, each location corresponding to one of a plurality of static price levels along an axis; a second screen region, that substantially overlaps the first screen region, for displaying an indicator representing the market depth, the indicator being associated with a price level and the indicator being placed in one of the plurality of locations corresponding to the price level, wherein the location of the indicator changes when the price level associated with the indicator changes; and a third screen region, that substantially overlaps the first screen region, for sending placement of an order to buy or an order to sell the tradeable object through an action of a user input device with a cursor of the user input device positioned over one of the plurality of static price levels, wherein at least one order parameter is associated with the position of the cursor at the time of the action.