金叉:=CROSS(EMA(C,1),EMA(C,3));
JA1:=(DVOL/C)/2;
A2:=SUM(IF(JA1>100 AND CLOSE>REF(CLOSE,1),JA1,0),0);
A3:=SUM(IF(JA1>100 AND CLOSE<REF(CLOSE,1),JA1,0),0);
A4:=SUM(IF(JA1<100 AND CLOSE>REF(CLOSE,1),JA1,0),0);
A5:=SUM(IF(JA1<100 AND CLOSE<REF(CLOSE,1),JA1,0),0);
A6:=A2+A3+A4+A5;
机买:=(A2/A6)*100;
机卖:=(A3/A6)*100;
主力差:=机买-机卖;
机构加仓:=(主力差>=REF(主力差,1)+1.5)*50 AND 机买>机卖;
机构抄底:=金叉 AND 机构加仓;
DRAWTEXT (机构抄底,L*0.97,'↖机构入驻'),COLORCYAN;