Patent ID: 7624064

Claim:
An electronic trading processing system, comprising in combination: a client trading application on a target device with one or more processors for sending and receiving messages to and from one or more electronic trading exchanges for automatically executing one or more electronic trades, wherein the client trading application generates a multi-windowed graphical user interface for electronic trading; and the multi-windowed graphical user interface including: an aggregated book value (ABV) window for viewing bid and offer size by price for a an electronic trading instruments or contract in a market depth format in the shape of the letter “V”, and for automatically generating entered electronic trading orders at a selected price on the one or more electronic trading exchanges, wherein prices for the electronic trading instrument or contracts are displayed in a dynamic price column in the market depth format down a middle portion of the aggregated book value window, wherein the dynamic price column is centered upon a current lasted traded price in the ABV window and wherein electronic trading orders are entered, canceled and displayed on a diagonal along one or more components of the “V” shape; and wherein the ABV window automatically and dynamically re-centers the dynamic price column in the ABV window upon a current last traded price that continuously and dynamically changes with price fluctuations in the current last traded price.