MA3:MA(CLOSE,4),ColorFFFfff,linethick1;
MA8:MA(CLOSE,8),Color208fff,linethicK1;
MA49:=MA(CLOSE,49),Color00ff00,linethick1;
angel:=EMA(C,2),colorf00ff0;
devil:EMA(SLOPE(C,21)*20+C,42),pointdot,colorf00ff0,linethick3;
BUY:=cross(angel,devil);
SEL:=cross(devil,angel);
stickline(cross(angel,devil) or cross
(devil,angel),open,close,5,0),colorf00ff0;
drawtext(buy,LOW*0.99,'↑买'),coloryellow,lineth