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=0,100000000,1000000),COLOR00AAAA,LINETHICK;
三日DDX:SUM(DDX,3)/10,LINETHICK0;
五日DDX:SUM(DDX,5)/10,LINETHICK0;
十日DDX:SUM(DDX,10)/10,LINETHICK0;
{爱约股-股票公式网站 }
DDX动向:SUM(DDX,60),COLOR0080FF,LINETHICK1;
STICKLINE(DDX>0,DDX动向,DDX动向+(DDX),1,0),COLORRED;
STICKLINE(DDX<0,DDX动向+(DDX),DDX动向,1,0),COLORFFFF00;
通达信新编DDX指标公式的选股公式如下：
