通达信BS优化布林主图指标公式

N:=12;
中轨:MA(CLOSE,N),COLORGREEN,LINETHICK1;
IF(中轨>=REF(中轨,1),中轨,DRAWNULL),COLORRED,LINETHICK1;
上轨:中轨+STD(C,N),COLORLIRED,LINETHICK1;
下轨:中轨-STD(C,N),COLORLIRED,LINETHICK1;
上极限:(中轨+2*STD(C,N)),COLORYELLOW,LINETHICK1;
下极限:中轨-2*STD(C,N),COLORYELLOW,LINETHICK1;
震荡值:((上极限-下极限)/上极限)*100,NODRAW,COLORRED;
DRAWICON(CROSS(C,下极限),LOW*0.99,7);
DRAWICON(CROSS(上极限,C),HIGH*1.01,8);