Quantitative Qualitative Estimation (QQE) indicator is a smoother version of the popular Relative Strength Index (RSI) indicator with a volatility based trailing line that gives you momentum crossovers and confirmations.
Input Parameters are:
RSI Period : Default setting is 14
SF , smoothing factor : Default setting is 5
QQE coefficient : Default setting is 4.236 , one of most used percentage ratios based on the Fibonacci sequence
OversoldLevel : Default setting is 30. If this is set to 30, overbought level is automatically set to 100-30 = 70 on the chart
Plots two lines:
QQE , Yellow line
Trail , Cyan line