ddx的通达信指标公式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(ddx>0,0,ddx,3,0),color000088; stickline(ddx>0,0,ddx,2.5,0),color0000aa; stickline(ddx>0,0,ddx,1.5,0),color0000cc; stickline(ddx>0,0,ddx,1,0),color0000ee; stickline(ddx<0,0,ddx,3,0),color008800; stickline(ddx<0,0,ddx,2.5,0),color00aa00; stickline(ddx<0,0,ddx,1.5,0),color00cc00; stickline(ddx<0,0,ddx,1,0),color00ee00; 20210311