| CPC G06Q 40/04 (2013.01) | 7 Claims |
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1. A computer readable medium having stored therein instructions executable by a processor, including instructions executable to:
display a value column and a second column, wherein the value column includes a plurality of cells, wherein each cell in the plurality of cells of the value column corresponds to a price level of a plurality of price levels for a tradeable object, wherein the second column includes a plurality of cells, wherein each cell in the plurality of cells of the second column is aligned in a row with a corresponding cell in the value column and associated with the corresponding price level;
detect a downclick action of a user input device in a first cell of the plurality of cells of the second column indicating a user selection of the first cell, wherein the downclick action is detected at a first time;
send in response to detecting the downclick action, a first trade order message to an electronic exchange, wherein the first trade order message is for a first order for the tradeable object at a price corresponding to the price level associated with the first cell;
detect that the downclick action of the user input device in the first cell is being maintained indicating a state of the first order is to be maintained as active, wherein the downclick action being maintained is detected at a second time, wherein the second time is after the first time;
detect, after detecting that the downclick action of the user input device has been maintained, an upclick action of the user input device that releases the downclick action in the first cell indicating the state of the first order is to be changed, wherein the upclick action is detected at a third time, wherein the third time is after the second time; and
sending in response to detecting the upclick action, a first order update message to the electronic exchange, wherein the first order update message cancels the first order.
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