Mix OB and OS signals with a MACD crossover
you check when the OS signal shows up and wait for the candles to enter below. SL is the high of the signal candle
you check when the OB signal shows up and wait for the candles to enter higher. SL is the low of the signal candle
for confirmation we try to combine the signal with a MACD crossover signal that tells us if the trend is ready to pull back