Patent ID: 7752122

Claim:
A method of providing an interface to an electronic trading system in which a good is bought and sold responsive to orders placed by users of the electronic trading system, where orders comprise a bid type or an offer type, the method comprising: generating a plurality of price levels that correspond to the good via a trading device having an electronic processor and communicatively coupled to the electronic trading system and displaying the plurality of price levels along a scaled price axis via an output associated with the trading device; receiving bids for the good from an electronic exchange via the trading device and displaying the bids relative to the plurality of price levels along the scaled price axis via the output; receiving asks for the good from the electronic exchange via the trading device and displaying the asks relative to the plurality of price levels along the scaled price axis via the output; submitting an order for the good to the electronic exchange responsive to a user action received via a user input associated with the trading device, the user action specifying a quantity and a price for the order and displaying an order indicator corresponding to the placed order relative to the plurality of price levels along the scaled price axis via the output; determining a specific price value based on a formula via the trading device; and generating and displaying a marker indicator relative to the plurality of price levels along the scaled price axis at a location corresponding to the specific price value that the marker indicator represents via the output, wherein the marker indicator ascends or descends the plurality of price levels along the scaled price axis responsive to changes in the specific price value.