The overbought/oversold indicator, which was first described in "Futures Magazine" in June 2000, under the name of "Psychological Index".
It has one input parameter:
Calculation:
where

MetaQuotes Ltd에서 러시아어로 번역함.
원본 코드: https://www.mql5.com/ru/code/20448
Performance_Index
The Performance Index indicator.
JSmooth_MA
A Moving Average with the smoothing type by Mark Jurik.
Repulse
An indicator of possible price "rebounds".
Repulse_Divergence
Divergences of the Repulse oscillator.