This indicator looks for situations when fast MA crosses slow MA in TDI and this cross has to be in volatility bands. When this happens, it looks for 1. or 2. or 3. bar that closes above/below ema20.
When fast MA crossover slow MA, indicator looks for 1. or 2. or 3. bar closed above ema20. When fast MA crossunder slow MA, indicator looks for 1. or 2. or 3 bar closed below ema20.
This indicator supports alerts.
Have fun :)