Patent ID: 8086521

Claim:
A method for identifying effective bid and ask prices in an electronic trading environment, the method comprising: computing an effective ask price and an effective bid price for each of a plurality of quantity levels via a trading device according to market information for a tradable object; generating columnar price levels for the tradable object on a display via the trading device; generating an effective bid price indicator for each effective bid price on the display via the trading device, each effective bid price being displayed at an effective bid price level of the columnar price levels corresponding to the effective bid price; generating an effective ask price indicator for each effective ask price on the display via the trading device, each effective ask price being displayed at an effective ask price level of the columnar price levels corresponding to the effective ask price; and generating a spread indicator for each quantity level via the trading device, the spread indicator being generated between the effective bid price and the effective ask price for the corresponding quantity level of the plurality of quantity levels.