[同花顺]同花顺免费ddx源码公式

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同花顺免费ddx源码公式：
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)+"％.";