（用法：将其加到主图公式后面即可）：
取自论坛，略改
fh:=h;fl:=l;
for i=datacount-1 downto 1 do begin
  if fh<fh[i+1] then
     fh:=fh[i+1];
  if fl>fl[i+1] then
     fl:=fl[i+1];
end;
qk:=l>ref(h,1)OR H<ref(L,1);
G:=IF(l>ref(h,1),L,IF(H<ref(L,1),ref(L,1),0));
D:=IF(l>ref(h,1),ref(H,1),IF(H<ref(L,1),H,0));
S:=IF(l>ref(h,1),2,IF(H<ref(L,1),1,0));
tj:=s=2 and fL<=G AND fL>=D OR s=1 and fH<G AND fH>=D ;
w:=BARSSINCE(BACKSET(BARSTATUS=2,BARSLAST(TJ*BARPOS=BARPOS)+1))+1;
S1:=IF(ref(S,W-1)=2,ref(fL,w-1),IF(ref(S,W-1)=1,ref(fH,w-1),0));
S2:=IF(ref(S,W-1)=2,ref(D,w-1),IF(ref(S,W-1)=1,ref(G,w-1),0));
A:=MAX(S1,S2);
B:=MIN(S1,S2);
缺口:B[datacount],COLORWHITE,LINETHICK,,PRECISION2;
→:A[datacount],COLORWHITE,LINETHICK,PRECISION2;
STICKLINE(w,S1,S2,12,0),COLORGRAY;
DRAWTEXT(BARSTATUS=2,A,NUMTOSTR(B,2)+'-'+NUMTOSTR(A,2)),COLORWHITE;