Patent ID: 7813994

Claim:
A method of displaying market information relating to a tradable object, the method comprising: displaying a static axis of prices having a range of price levels along the static axis of prices, each price level associated with a price of a tradable object, the static axis of prices being displayed via a display associated with a computing device; displaying a first indicator at a first price level of the static axis of prices associated with a highest bid price corresponding to the tradable object via the display; displaying a second indicator at a second price level of the static axis of prices associated with a lowest ask price corresponding to the tradable object via the display; in response to receiving a new highest bid price for the tradable object, moving the first indicator to a new first price level corresponding to the new highest bid price via the display; in response to receiving a new lowest ask price for the tradable object, moving the second indicator to a new second price level corresponding to the new lowest ask price via the display; displaying a column indicator via the display, the column indicator being displayed at a range of price levels of the static axis of prices from a lowest traded price of the tradable object during a predetermined period of time to a highest traded price of the tradable object during the predetermined period of time, the column indicator occupying at least a portion of each cell in the range of price levels; in response to receiving a new last traded price during the predetermined period of time, determining whether the new last traded price is a new lowest traded price or a new highest traded price for the tradable object during the predetermined period of time via the computing device; in response to determining the new lowest traded price during the predetermined period of time, displaying the column indicator via the display to occupy at least a portion of each cell in a new range of price levels of the static axis of prices from the new lowest traded price to the highest traded price of the tradable object during the predetermined period of time; and in response to determining the new highest traded price during the predetermined period of time, displaying the column indicator via the display to occupy at least a portion of each cell in a new range of price levels of the static axis of prices from the new highest traded price to the lowest traded price of the tradable object during the predetermined period of time.