Patent ID: 8713478

Claim:
A non-transitory computer readable medium having stored therein instructions to be executed by a processor, wherein the instructions are executable to: provide a trading interface on a display screen for use in trading a tradable object in an electronic trading environment, wherein the trading interface comprises an order entry region comprising a plurality of locations for receiving commands to send trade orders to buy or sell the tradable object, wherein the plurality of locations are arranged along a common price axis, and wherein each location is associated with a price along the common price axis; provide a context menu pop-up interface to be activated in relation to the trading interface upon receiving a command to select one of the plurality of locations in the order entry region with a pointer of a user input device, the context menu pop-up interface comprising a plurality of selection areas organized around a central area of the context menu pop-up interface, the placement of the central area on the display screen being based on the selected location, the plurality of selection areas comprising a plurality of order quantity values to be selected to set an order quantity for a trade order to buy or sell the tradable object, wherein the plurality of selection areas increase in size as a distance from each selection area to the central area increases, and wherein the size of each of the plurality of selection areas is determined such that the plurality of selection areas can be selected in approximately the same time; select a location of the plurality of locations of the trading interface to initiate a first trade order to buy or sell the tradable object at a desired price corresponding to the selected location, wherein the first trade order is to be sent to an electronic exchange; and responsive to selecting the location of the trading interface, activate the context menu pop-up interface in relation to the selected location of the trading interface and select a selection area of the context menu pop-up interface to set a desired order quantity corresponding to the selection area for the first trade order.