[分析家] 主图支撑线

a:=ref(c,1);
b:=ref(c,2);
cc:=c/a-1;
dd:=c/b-1;
tt:=a/ref(c,5)-1< -0.032;{５日跌幅大于4％}
if filter(tt and cc>0.005,3) then
   s:=min(o,a);{满足ｔｔ和今日上涨0.5%以上，则ｓ=今开/昨收较小的一个数值}
  else s:=c;
p1:=abs(c/ref(s,1)-1)<=0.09;
ee1:= ref(s,1)=ref(o,1) and p1;
ee2:= ref(s,1)=b and p1;
gg:= ref(s,2)=ref(s,1) and p1;
hh:=ee1 or ee2 or gg;
if hh=1 then
   s:=ref(s,1);{股价在+9％、-9％范围内，ｓ一直=ｒｅｆ（ｓ，１）}
stickline(s=o,s,s,15,1),color669999;
stickline(s=ref(s,1),s,s,15,1),color0066cc;