Directional Volatility indicator. The indicator displays two volatility lines - bullish and bearish ones.
It has two configurable parameters:
- Period - calculation period
- Deviation - deviation
Calculation:
Short = ShortMA + Deviation * ShortDev Long = LongMA + Deviation * LongDev
where:
ShortMA - EMA(ShortS,Period)
ShortDev - StdDev(ShortMA,Period)
ShortS = PrevClose - Low
LongMA - EMA(LongS,Period)
LongDev - StdDev(LongMA,Period)
LongS = High - PrevClose
