源码：

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),colorgreen;

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)colorred,NODRAW;
cha:hhv(abs(l-a1),aa)colorgreen,NODRAW;

DRAWICON(c<a1,a1,5);
DRAWICON(c>b1,b1,4);

//开多
IF cha=cha and chb>ref(chb,1) THEN BEGIN

BUY( HOLDING=0,1，market);//开多操作 

END
//平仓
IF   chb=chb and cha<ref(cha,1) THEN BEGIN
SELL( HOLDING>0,HOLDING,market);//平多

end

enterlong: cha=cha and chb>ref(chb,1),TFILTER;

//平仓
exitlong:   chb=chb and cha<ref(cha,1) ,tfilter;

序列模式下图表交易就这样写，但是很用新图表的功能无法使用

谢谢，试试看看

可以使用，信号只有一个，如果觉得信号太少那么请自行修改条件