iCustom in MQL) or built-in in cTrader (Indicators.HeikinAshi()). It helps EAs stay in trades during trending moves.
Heikin-Ashi
Heikin-Ashi - A chart technique that computes “average” bars (candlesticks) to smooth price action. Each Heikin-Ashi candle is an average of prices, so trends appear with consecutive same-color candles and noise is reduced. Forex robots may use Heikin-Ashi to identify sustained trends (e.g. all-green candles = uptrend) or filter out whipsaws. Because Heikin-Ashi prices are averaged, many platforms provide it via custom code (e.g. using