免费DDX

 IF(PERIODNAME<>"日线")
 {
统计:"该指标只在日线周期下有效。";
RETURN;
 }
 r1:=ZDMR[-1];
 r2:=BDMR[-1];
 r3:=-ZDMC[-1];
 r4:=-BDMC[-1];
 x1:=(ZDMR+BDMR);
 y1:=-(ZDMC+BDMC);
 STICKLINE(x1+y1>=0,5*(x1+y1),0,8,0),colorred;
 STICKLINE(x1+y1<0,5*(x1+y1),0,8,0),colorgreen;

 a1=MA(x1,3);
 b1=MA(y1,3);
 DDX:2*(a1+b1);
 DDX1:EMA(DDX,60)*60,COLOR00FFFF;
 DDX2:MA(DDX1,5),COLORFF00FF;
 DDX3:MA(DDX2,10),COLOR00FF00;
 FILLRGN(DDX1,DDX2,DDX1>DDX2,RGB(255,0,0),DDX1<DDX2,colorgreen);

 IF(ISNULL(r1))
 {
   统计:"本指标由同花顺金融研究中心提供，每晚11点后提供当天的数据。";
   RETURN;
 }
 a=(ZDMR[-1]+BDMR[-1]);
 b=(ZDMC[-1]+BDMC[-1]);
 a3=SUM(a,1)/1000000;
 b3=SUM(b,1)/1000000;
 VOL1=SUM(VOL,1)/1000000;
 IF(a3>b3)
 {
   y=a3-b3;
   z=y/VOL1*100;
   统计:TOSTRING(1,0)+"天机构买入"+TOSTRING(a3,1)+"万手,卖出"+TOSTRING(b3,1)+"万手.净买入"+TOSTRING(y,1)+"万手.占总成交"+TOSTRING(z,1)+"％.";
 }
ELSE
 {
   y=b3-a3;
   z=y/VOL1*100;
   统计:TOSTRING(1,0)+"天机构买入"+TOSTRING(a3,1)+"万手,卖出"+TOSTRING(b3,1)+"万手.净卖出"+TOSTRING(y,1)+"万手.占总成交"+TOSTRING(z,1)+"％.";