股票-通达信自用DDX指标源码详解图解指标公式.docx
通达信自用DDX指标源码详解图解指标公式_正点财经N:=20;JJ:=(HIGH+LOW+CLOSE)/3;QJ0:=VOL/IF(HIGH=LOW,4,HIGH-LOW);QJ1:=IF(CAPITAL=0,QJ0*(JJ-MIN(CLOSE,OPEN),QJ0*IF(HIGH=LOW,1,(MIN(OPEN,CLOSE)-LOW);QJ2:=IF(CAPITAL=0,QJ0*(MIN(OPEN,CLOSE)-LOW),QJ0*IF(HIGH=LOW,1,(JJ-MIN(CLOSE,OPEN);QJ3:=IF(CAPITAL=0,QJ0*(HIGH-MAX(OPEN,CLOSE),QJ0*IF(HIGH=LOW,1,(HIGH-MAX(OPEN,CLOSE);QJ4:=IF(CAPITAL=0,QJ0*(MAX(CLOSE,OPEN)-JJ),QJ0*IF(HIGH=LOW,1,(MAX(CLOSE,OPEN)-JJ);DDX:(QJ1+QJ2)-(QJ3+QJ4)/IF(CAPITAL=0,1000000,10000),COLOR00AAAA,LINETHICK;DX:=MA(DDX,5)*N;STICKLINE(DDX0,0,DDX,3,0),COLOR000088;STICKLINE(DDX0,0,DDX,2.5,0),COLOR0000AA;STICKLINE(DDX0,0,DDX,1.5,0),COLOR0000CC;STICKLINE(DDX0,0,DDX,1,0),COLOR0000EE;STICKLINE(DDX0,0,DDX,3,0),COLOR008800;STICKLINE(DDX0,0,DDX,2.5,0),COLOR00AA00;STICKLINE(DDX0,0,DDX,1.5,0),COLOR00CC00;STICKLINE(DDX0,0,DDX,1,0),COLOR00EE00;DDX1:SMA(DX,3,1),COLORFFFFFF;DDX2:SMA(DDX1,3,1),COLOR00FFFF;DDX3:EMA(DDX2,5),COLORFF00FF;预警:DDX0ANDMA(V,5)MA(MA(V,5),5)ANDCROSS(DDX1,DDX2),LINETHICK;天:=COUNT(DDX0,5),COLORRED;DRAWTEXT(预警,DDX*1.06,),LINETHICK3,COLOR00FFFF;通达信自用DDX指标源码详解图解指标公式实例图解：通达信自用DDX指标源码详解图解指标公式DDX指标实际上指的就是大单动向，通常我们将委托单的大小，反映不同资金能力的投资者的交易方向称为DDX指标。DDX指标是一项以Level-2的逐单分析为基础的短中线兼顾的技术指标。DDX指标在形态上用红绿柱来表示，红柱表示大单买入量较大，绿柱表示大单卖出量较大，通常情况下，DDX指标翻红是买入的好时机。
