主题：请教，每月交接日（第三个星期五）平仓

variable:n=0;

if weekday<ref(weekday,1) then n:=n+1;

if month<>ref(month,1) then n:=1;

if n=3 and weekday=5 and time=closetime(0) then begin

    sell(1,0,market);

    sellshort(1,0,market);

end