A webinar speaker demonstrated a Pace of Trade Indicator. It's like a speedometer for the time and sales window, in histogram form. It measures ticks per 30 seconds and then places a colored histogram bar in the graph by volume of ticks.
Red = 0-300 ticks
Yellow = 301-499 ticks
Green = 500+ ticks
It only counts the ticks. Direction is irrelevant. The idea is that you want to be trading only when the market is moving. You can view a you tube video on it here. YouTube - Pace of Tape Indicator; E-Mini Scalping, Currency Futures (. Can this be coded for Ninja?