通达信布林主图贴图无加密未加密选股指标公式源码

布林中线:ma(CLOSE,20),NODRAW;
布林上线:布林中线+2*STD(CLOSE,20) COLORCYAN;
布林下线:布林中线-2*STD(CLOSE,20) COLORWHITE;

IF(布林中线>REF(布林中线,1),布林中线,DRAWNULL),COLORRED,LINETHICK2;
IF(布林中线<REF(布林中线,1),布林中线,DRAWNULL),COLORBROWN,DOTLINE,LINETHICK1;