Supertrend is a trend following indicator which can be used to identify upward or downward
trends.
BUY{ SET ST = SUPERTREND(7,3,SIMPLE); SET MA = EMA(ST,9); MA > ST AND MA <= (ST * 1.005) AND CLOSE > MA;} SELL{ SET ST = SUPERTREND(7,3,SIMPLE); SET MA = EMA(ST,9); MA < ST AND ST <= (MA * 1.005) AND CLOSE < MA;}