Patent ID: 7617149

Claim:
A method for automatically executing trading spreads, comprising: presenting a list of a plurality of names of a plurality of pre-determined spreads graphical user interface on an application on a target device with one or more processors, wherein the pre-determined spreads include intra-commodity spreads, inter-commodity spreads, option spreads, crack spreads, butterfly spreads, vertical spreads, horizontal spreads, ratio spreads, back spreads, front spreads, inter-exchange spreads, different commodities spreads, synthetic spreads and trader defined spreads; receiving a selection input for a pre-determined spread from the list of names; presenting one or more graphical windows via the application to accept trading information for the selected pre-determined spread; automatically executing two or more trades on one or more trading exchanges using the accepted trading information to execute the pre-determined spread via the application on the target device, wherein trading information for the pre-determined spread is displayed in an Aggregated Book View (ABV) graphical window that displays trading prices via a dynamic price column in market depth format, wherein the ABV window includes an order entry mode for entering two or more trades for the pre-determined spread; automatically and dynamically re-centering the dynamic price column in the ABV window upon a current last traded price that automatically, continuously and dynamically changes with price fluctuations in the current last traded price.