QQE (Quantitative Qualitative Estimation) is normally made using RSI (Relative Strength Index) as a "basic" indicator.
This version is using Velocity (smoother momentum) and it can help in determining trend. Adjust the calculating period to your trading style: longer - to trend traders, shorter - for scalping.
QQE (Quantitative Qualitative Estimation) using CCI (Commodity Channel Index) instead of RSI (Relative Strength Index) as a "basic" indicator.Schaff Trend Cycle CD - NonLag MA
Schaff Trend Cycle CD is usually calculated using Signal line of the MACD, meaning EMA (Exponential Moving Average) of the difference of two EMAs (Exponential Moving Averages).