The indicator plots price channel and Fibonacci levels based on the latest parabolic ZigZag peaks.
The indicator requires compiled ZigZagOnParabolic.mq5 indicator file. Place it in <terminal_data_folder>\MQL5\Indicators.
Fig.1. AutoFibAutoTrend_OnParabolic indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/16692
i-Regr is a MetaTrader 5 indicator. Regression Channel: Linear Regression Channel, Quadratic (Parabolic) Regression Channel, Cubic Regression Channel.20/200 expert v 4.2 AntS
Extensive use of the standard library classes.