Strategy based on engulfing pattern principle. - open a buy position, if the previous candle is bearish, the actual candle is bullish, and bigger than the previous one. - open a sell position, if the previous candle is bullish, the actual candle is bearish, and bigger than the previous. - the body of the previous candle should be at least equal to 5 pips. - TP is 20 and SL is 80 working on 15 min time frame.