Published products
Based on concept of Zones from DTFX.
Video 2
Daves suggest using a length of 25 for optimal performance. But it's up to you to decide based on backtest/forwardtest results.
How this indicator draw zones
In bullish scenario, first it will find a swing high, then a swing low, then a break of with price closed above the swing high. But the way it find swing high and low heavily depends on structure length value. If you set structure length as 12: to find swing high it will check 13th candle high