通达信大跌后抄底选股指标公式

DIFF:=EMA(CLOSE,3)-EMA(CLOSE,8);
 DEA:=EMA(DIFF,5);
MACD:=2*(DIFF-DEA);
 X1:=EMA(DIFF,5)*5;
 X2:=((EMA(CLOSE,3)-EMA(CLOSE,8)))*5;
 XG:CROSS(X2,X1) AND X1<-0.25 AND (REF(C,20)-C)/C>0.30;