Ice Volume Zone is a great indicator that is spot on for acting like very powerful magnets. Generally, you need exceeding volume to break the high and low lines. If there is not exceeding volume, it is likely to bounce back and forth between either the ICE lines or one ICE line and another strong magnet.
Red Line = the low on average where the greatest volume took place the day before Green = the high on average where the greatest volume took place the day before Blue = 70% of trading took place between green and red Ice, Blue is the point of control POC, price at which most volume took place histogram lines = shows volume at each price level for day before, histogram must be set to show true on ICE indicator