抓黑马

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);
 黑码线:=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));
 大黑码:CROSS(趋势线,0) AND 黑码线<40;