| CPC G06Q 40/04 (2013.01) | 16 Claims |
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1. A system including:
a trading device including a memory and a processor, wherein the memory stores instructions and the processor is adapted to executed the stored instructions, wherein the trading device is configured to:
display a graphical user interface having a value axis with a plurality of sequential value levels determined according to market data for a tradeable object received from an electronic exchange;
in response to receiving, via a user input device, a user selection of a selected value level of the value axis:
display a flexible price-volume indicator aligned with the selected value level,
generate a rule based on the received market data for the selected value level, and
monitor, as the market activity is received, market activity with respect to market data received from the electronic exchange for the selected value level and the rule;
update a display property for the flexible price-volume indicator, the display property being a quantity value determined from an analysis of the rule according to monitoring the market activity with respect to market data received from the electronic exchange for the selected value level and the rule; and
display the flexible price-volume indicator in a differentiated state in response to a change in the market data.
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