runmode:0;
variable:lk=0;
p:=1;
n:=20;
今天:STDP(C,N),NODRAW;
昨天:STDP(REF(C,1),N),NODRAW;
天坛:(今天-昨天)/今天;
bb:barpos;
IF barpos=21 THEN
begin
LK:=1;
end
if barpos>21 then
begin
LK:=ROUND(LK*(1+天坛));
END
LLK:LK;
MIDLINE:MD(C,LLK);
BAND:STDP(C,LLK),NODRAW;
UP:MIDLINE+P*BAND;
DN:MIDLINE-P*BAND;
BP:=HHV(REF(H,1),LLK);
SP:=LLV(REF(L,1),LLK);