Use charting software with range analysis functions to extract this information directly from chart patterns. Technicians can also capture these pivot points using pattern recognition. The impact of narrow and wide range bars has been known in the futures community for years. Application of this important analysis to equities is just reaching maturity, as very short term trading becomes part of the stock market landscape. Read works by Raschke, Crabel, and Taylor to polish your trade execution skills with this important concept.
Complex indicators capture cyclical changes in volatility, regardless of relative price movement.
Skilled traders apply a dual strategy and either go long or short depending on outcome.