variable: as=0, st=0,ao =6.8;
if barpos = 0 then st := open - ao;
if as = 0 then begin
if open <= st then begin
as:= 1;
st := open+ao;
end
if open - ao > st then
st := open-ao;
end
if as = 1 then begin
if open >= st then begin
as:= 0;
st :=open-ao;
end
if open + ao < st then
st := open+ao;
end
==========================
几种状态,什么意思?三种上下轨?
开盘价加减一个6.8的系数?