通达信主力影子选股公式
XA_1:=REF(LOW,1);
XA_2:=SMA(ABS(LOW-XA_1),3,1)/SMA(MAX(LOW-XA_1,0),3,1)*100;
XA_3:=EMA(IF(CLOSE*1.3,XA_2*10,XA_2/10),3);
XA_4:=LLV(LOW,30);
XA_5:=HHV(XA_3,30);
XA_6:=IF(MA(CLOSE,58),1,0);
XA_7:=EMA(IF(LOW<=XA_4,(XA_3+XA_5*2)/2,0),3)/618*XA_6;
XA_8:=IF(XA_7>100,100,XA_7);
XA_8>50;