Fractals are generated using 3 previous bars (without redrawing because the current bar is not included in the calculation).
Originally this indicator has been written in MQL4 and was first published in the Code Base on 16.01.2015.
Fig. 1. The WASD_FR indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/12536
A trendless indicator (oscillator).Trinity-Impulse_HTF
The Trinity-Impulse indicator with the timeframe selection option available in the input parameters.