A51:=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(A51,5);
A54:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;
趋势线:=(MA(3*SMA(A54,6,1)-2*SMA(SMA(A54,5,1),5,1),2));
大黑马:CROSS(趋势线,0)AND 黑马线<40;
DRAWTEXT(CROSS(趋势线,0)AND 黑马线<40,80,'▲大黑马'),COLORYELLOW;
STICKLINE(大黑马,0,70,2,0),colorred