本文选股公式根据以下股票公式改编：
http://www.gupang.com/202005/050U14302020.html
http://www.gupang.com/202005/050U14302020.html
A1:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1);
黑马线:=EMA(A1,5);
A4:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;
趋势线:=(MA(3*SMA(A4,6,1)-2*SMA(SMA(A4,5,1),5,1),2));
大黑马:CROSS(趋势线,0)AND 黑马线<40;
