The indicator: 1. When the background is green and the 2 lines are going up it means uptrend 2. When the background is red and the 2 lines are going down it means downtrend 3. When there is a crossover and the background outside BB turns yellow, it means there is a lot of volatility or volume
How to use (Or how I use this): 1. All trades based on the yellow color MUST be during a trend 2. When the color changes to yellow for the 1st time in the direction of a trend it is advisable to enter