Patent ID: 7546550

Claim:
A trading interface embodied on a computer readable storage medium for execution on a computer, the trading interface for use in trading of a tradeable object on an electronic exchange, the trading interface comprising: a graphical user interface for displaying, on a display screen, a first indicator at a first area being associated with a highest bid price currently available for a tradeable object and a second indicator at a second area being associated with a lowest ask price currently available for the tradeable object, and for displaying, on the display screen, an order entry region comprising a plurality of locations, each location corresponding to a different price level and being selectable with a pointer of a user input device to initiate a trade order at a price level corresponding to a selected location of the tradeable object; a plurality of selection areas organized around a central area of a context menu pop-up interface, the plurality of selection areas comprising a plurality of order types to be selected to set an order type for the trade order to buy or sell a tradeable object being traded at the electronic exchange, wherein the plurality of selection areas increase in size as a distance from the central area to each selection area increases, and wherein the size of each selection area is determined such that the plurality of selection areas can be selected in approximately the same time, wherein the context menu pop-up interface is displayed responsive to a selection of one of the plurality of locations in the order entry region that initiates a first trade order to be sent to the electronic exchange at a desired price level corresponding to the selected location, wherein placement of the central area on the display screen is based on the selected location, and wherein a desired order type for the first trade order is set responsive to a selection of one of the plurality of selection areas of the context menu pop-up interface.