A signal you were watching live is gone when you sit down at the chart the next morning. Or it happens the other way around: yesterday's chart is covered in clean marks, and today the same indicator paints something that shows up mid-bar, wobbles for a while, and settles somewhere else. The usual conclusion is that the indicator is broken, or that it repaints. Usually it is neither. It is one dropdown, plus a piece of NinjaTrader behavior that the dropdown never mentions. Where th...