stockid:="SH600519";
  N:=120;
  endt:=20260320T;
  setsysparam(pn_stock(),stockid);
  setsysparam(pn_cycle(),cy_day());
  setsysparam(pn_date(),endt);
  dt:= Nday(N,"date",sp_time(),"振幅",stockzdf3(),"涨幅(%)",stockzf3());
  //数据处理-生成百分位排名
  dt:=select *,thisorder/N*100 as "百分位%" from dt order by ["振幅"] end;

  //过去120个交易日的日内振幅最低的70%个交易日的日收益率之和
  lzfS:=vselect sumof(["涨幅(%)"]) from dt where ["百分位%"]<=70 end;
  return lzfS;