通达信原创上轨下轨指标公式

AA:=(MA(C,15)+MA(C,55))/2/C;
上轨:(MA(C,15)+MA(C,55))/2/C-AA,COLORGREEN;
下轨:(MA(C,23)+MA(C,43))/2/C*0.90-AA,COLORLIRED;
现价:C/C-AA,COLORYELLOW;
DRAWICON(CROSS(0.05,现价),0.05,1);
DRAWICON(CROSS(下轨,现价),下轨,2);
0.05,DOTLINE,COLORRED;