Trends can be either bearish or bullish, and foreign exchange trend indicators change their value based on the strength of the underlying trend. What is Indikator Engulfing Mt5 in trade? trade isn’t as easy as it looks. Indikator Engulfing Mt5 assists to smooth the market price volatility and get rid of the unwanted chart noise, so that you focus on the major trend and not on reversals. The chart price’s rise above the upper band may be a short alert, while a decline below the lower band a buying signal.