公式代码：
参数设置：p1=60;p2=5;p3=10；

{主动DDX}

variable:DDX=0;
refline:0;
DDX:((SELFDATA('主买特大')+SELFDATA('主买大单'))-(SELFDATA('主卖特大')+SELFDATA('主卖大单')))/CAPITAL*100,COLOR3D;
DDX1:EMA(DDX,p1)*p1,color00ffff;
DDX2:MA(DDX1,p2),colorff00ff;
DDX3:MA(DDX1,p3),color00ff00;
drawtextabs(0,0,'大笔动向');

{主动DDY}
variable:DDY=0;
refline:0;
主笔净数:=SELFDATA('主买笔数')-SELFDATA('主卖笔数');
成交笔数:=SELFDATA('主买笔数')+SELFDATA('主卖笔数');
DDY:主笔净数/成交笔数,COLOR3D;
DDY1:EMA(DDY,p1)*p1,color00ffff;
DDY2:MA(DDY1,p2),colorff00ff;
DDY3:MA(DDY1,p3),color00ff00;
drawtextabs(0,0,'涨跌动因');

{主动DDZ}

主买主卖笔数:=SELFDATA('主买笔数')+SELFDATA('主卖笔数');

DDZ:(SELFDATA('主买笔数')-SELFDATA('主卖笔数'))*100/(2*主买主卖笔数),COLORWHITE;
DDZ1:=DDZ*0.8;
FLOATRGN(DDZ,DDZ1,DDZ;DDZ1,rgb(255,0,0),DDZ;DDZ1,rgb(0,255,0));
drawtextabs(0,0,'大笔差分');