The indicator was described by B. Williams as fourth dimension - Trading Zone:
If the current bars of AC and AO are green, it shows that the zone is green.
If the current bars of АС and АО red, it shows that the zone is red.
If the bars of AC and AO are differently directed then the bar is colored grey (grey zone).
If the current bars of AC and AO are green, it shows that the zone is green.
If the current bars of АС and АО red, it shows that the zone is red.
If the bars of AC and AO are differently directed then the bar is colored grey (grey zone).
