通达信MACD关键点买入选股指标公式无未来

N:=20;
DW:=EMA(SMA((CLOSE-LLV(LOW,100))/(HHV(HIGH,100)-LLV(LOW,100))*100,8,1),3);
DIFF:=EMA(CLOSE,12)-EMA(CLOSE,27);
DEA:=EMA(DIFF,9);
选股:CROSS(DIFF,DEA) AND DIFF<-0.1 AND DW<N;