A:在天软中,支持计算港股通中港股的收益率数据。单位:百分数
范例01:取个股指定日收益率
setsysparam(Pn_stock(),"HK00001");
setsysparam(pn_date(),20240916T);
return stockzf3();
返回:0.84
范例02:取个股区间总收益率
setsysparam(Pn_stock(),"HK00001");
return stockzf(20240916T,20240926T);
返回:6.137
范例03:取个股在一段时间内的每日收益率
setsysparam(Pn_stock(),"HK00001");
begt:=20240916T;
endt:=20240926T;
setsysparam(pn_date(),endt);
setsysparam(pn_cycle(),cy_day());
N:=tradedays(begt,endt);
return Nday(N,"date",datetostr(sp_time()),"日涨幅(%)",stockzf3());
返回:
