以XScript編輯器寫一選股腳本以取得近8季上市櫃股票的每股營業利益:
ret=1;
value1=GetField("每股營業利益(元)","Q");
value2=GetField("每股營業利益(元)","Q")[1];
value3=GetField("每股營業利益(元)","Q")[2];
value4=GetField("每股營業利益(元)","Q")[3];
value5=GetField("每股營業利益(元)","Q")[4];
value6=GetField("每股營業利益(元)","Q")[5];
value7=GetField("每股營業利益(元)","Q")[6];
value8=GetField("每股營業利益(元)","Q")[7];
value200=GetFieldDate("每股營業利益(元)","Q");
outputfield(1,value1,2,"近1");
outputfield(2,value2,2,"近2");
outputfield(3,value3,2,"近3");
outputfield(4,value4,2,"近4");
outputfield(5,value5,2,"近5");
outputfield(6,value6,2,"近6");
outputfield(7,value7,2,"近7");
outputfield(8,value8,2,"近8");
outputfield(20,value200);
但執行選股只得到1690檔個股資料, 部分個股被排除了, 如: 6770力積電

請問原因為何?是否與選定資料讀取筆數有關(測試改變資料讀取筆數得到相同選股結果)
如何排除這種狀況?
感謝
1 評論