本文选股公式根据以下股票公式改编：
http://www.gupang.com/202008/0S152K52020.html
http://www.gupang.com/202008/0S152K52020.html
CF:=(C-REF(C,1))/(REF(C,1))*100;
DCF:=("999999$C"-REF("999999$C",1))/(REF("999999$C",1))*100;
蝴蝶:CURRBARSCOUNT<1000 AND PERIOD=5 AND((DCF<0.2 AND CF>9.75));
