LC:=REF(CLOSE,1); RSI9:=SMA(MAX(CLOSE-LC,0),6,1)/SMA(ABS(CLOSE-LC),6,1)*100; DIF:=EMA(CLOSE,12)-EMA(CLOSE,26); DEA:=EMA(DIF,9); CROSS(DIF,DEA) AND EXIST(CROSS(RSI9,20),20);