Patent ID: 8515854

Claim:
A method comprising the steps of: displaying a plurality of bid prices associated with an item to be traded in an electronic trading system, the bid prices displayed in a contiguous rectangle to define a bid price region within a user interface displayed on a workstation connected to the electronic trading system, at least one of the bid prices having associated quantities displayed therewith; displaying a plurality of ask prices associated with the item in a contiguous rectangle to define an ask price region within the user interface, at least one of the ask prices having associated quantities, the ask price region being discontinuous with and parallel to the bid price region, the bid prices and ask prices within the parallel bid and ask regions both increasing from small to large in the same direction; and displaying in association with the highest price at which a bid order exists (best bid) and lowest price at which an ask order exists (best ask) a visual indication of an inside market associated with the item; and when the inside market changes, automatically moving at least one of the plurality of displayed prices between the bid price and the ask price regions within the user interface, and maintaining the visual indication in association with the displayed prices to indicate the best bid and best ask.