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以下是通达信量能DDX指标公式（无源码的请下载附件导入）
量＿价:=1;
CTKG:=1;
W:=量＿价;
EPSL:=0.0001;
ZZ:=(C+H+L)/3;
TJA:=ZZ>=MAX(C,O) AND CTKG=1;
TJB:=ZZ<=MIN(C,O) AND CTKG=1;
ZF:=IF(TJA,1,IF(TJB,-1,0));
TJ0:=TJA OR TJB;
TJ1:=H=L AND C>REF(C,1);
TJ2:=H=L AND C<REF(C,1);
TJ3:=H=L AND C=REF(C,1);
量_价:=IF(W=1,VOL,AMOUNT),STICK,COLOREEFFEE;
EE:=IF(TJ1,EPSL,IF(TJ2,-EPSL,0));
ZL:=2*(H-L)+ABS(C-O)+3*IF(TJ3,EPSL,ABS(EE));
JGL_DX:=(IF(TJ0,2/3*(2*C-H-L)+ZF*ABS(C-O),(C-O))+EE)/ZL;
买卖差:=JGL_DX*量_价,COLOR13AADD,NODRAW;
DX%:JGL_DX*100,NODRAW,COLORGREEN,LINETHICK0;
DX连红:BARSLASTCOUNT(DX%>0),COLORRED,NODRAW,LINETHICK0;
买盘:=量_价*(1+JGL_DX)/2,COLOR1133AA,NODRAW;
卖盘:=量_价*(1-JGL_DX)/2,COLORFFFF00,NODRAW;
VAR11:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));
DDX:=买盘-卖盘;
MADDX:=MA(DDX,5)*15;
DDX1:SMA(MADDX,3,1),COLORRED,LINETHICK1;
DDX2:SMA(DDX1,3,1),COLORGREEN,LINETHICK1;
DDX3:SMA(DDX2,3,1),COLORYELLOW,LINETHICK1;
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