Imbalance, this is a zone / gap created when the price move with force in a given direction. It identify a zone where the price could
potentially go back. This gives perfect targets for your trades.
Imbalance is created from the high and low of 3 candles. When the wicks the of 1st and 3rd candle does not fully overlap the middle one.
You can define the penetration ratio which will delete a tested zone from the chart. Usually find that 20% (0.2) is pretty accurate.