Buy =
TREND(EMA(CLOSE, 20),15) = UP AND
TREND(MACD(10, 8, 3, SIMPLE), 5) = UP
Sell =
SET T = BBT(CLOSE, 20, 2, EXPONENTIAL)
((REF(T, 1) < REF(CLOSE, 1) AND T > CLOSE) OR ((REF(T, 2) < REF(CLOSE, 2) AND T > CLOSE) OR ((REF(T, 3) <
REF(CLOSE, 3) AND T > CLOSE) OR ((REF(T, 4) < REF(CLOSE, 4) AND T > CLOSE) OR ((REF(T, 5) < REF(CLOSE, 5)
AND T > CLOSE)