The GainLossInfo indicator shows you the actual gain and loss for all candlesticks exceeding the specified threshold. The values are calculated in percentages and points.
This indicator can calculate gain/loss in two ways: the simple difference between Open and Close prices and the difference between current Close and previous Close. You can set minimum threshold in points and percent, also change the calculation mode and control the font color for displayed values.
You should have in mind that it is almost impossible by using this indicator to get trade signals. This indicator shall simplify the market analysis for you
and to make it easier to find certain bullish or bearish patterns.
You can download the indicator here: https://www.mql5.com/en/code/13185