HV Models is an Indicator that containes 4 methods for calculating historical volatility of the selected asset.
Volatility is one of the fundamental values describing changes in the underlying asset. In statistics, it usualy describes as a standard deviation. The price chart has 4 values (Open High Low Close) when we calculate volatility using a standard indicator, only one of these values is used as a result we get one-sided volatility picture. The presented indicator uses 4 volatility c