hh:=hhv(h,0);
hhh:=h;
aa:=BARSLAST(h=hh[datacount]);
ba:=datacount-aa;
ja:=1;
tm1:=999999;
for i1=ba[datacount]+1 to datacount do begin
    k1:=(hh[datacount]-hhh[i1])/ja;
  if k1<tm1  then begin
    tm1:=k1;
    ts1:=ja;
  end;
  ja:=ja+1;
end;
A1:LINEVALUE(h=hh[datacount] and aa=0,h,BARPOS=datacount-aa[datacount]+ts1,h,0,0),colorffff54;
cha:=hhv(abs(l-a1),aa);
A2:a1-cha[datacount],colorffff54;
AI:a1-cha[datacount]/2,colorffff54,LINEDASH;

ll:=llv(l,0);
lll:=l;
a3:=BARSLAST(l=ll[datacount]);
b3:=datacount-a3;
j3:=1;
tm3:=999999;
for i3=b3[datacount]+1 to datacount do begin
    k3:=(lll[i3]-ll[datacount])/j3;
  if k3<tm3  then begin
    tm3:=k3;
    ts3:=j3;
  end;
  j3:=j3+1;
end;
B1:LINEVALUE(l=ll[datacount] and a3=0,l,BARPOS=datacount-a3[datacount]+ts3,l,0,0),color5454ff;
chb:=hhv(abs(h-b1),a3);
b2:b1+chb[datacount],color5454ff;
bi:b1+chb[datacount]/2,color5454ff,LINEDASH;

最早在飞狐上设计的，感谢金字塔对飞狐公式做了全面兼容哈~

谢谢分享