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);