通达信XY系统属趋势型的均线主图：XY_挡板主图未加密选股指标公式源码

GL:=LOG(EXP(INDEXC/REF(INDEXC,1)*REF(C,1)/C));
上板:DRAWBAND(ema(EMA(EMA(EMA(MA(C,20)+GL*STD(C+SUM(C-REF(C,5),5)/5,30),20),20),20),20),RGB(125,125,255),EMA(EMA(EMA(EMA(MA(C,20)+GL*STD(C,60),20),20),20),20),RGB(125,125,255));
DWMA:=EMA(EMA(EMA(EMA(EMA(EMA(MA(C,20)-GL*STD(C,60),20),60),30),20),10),5);
下板:EMA(EMA(EMA(O,30)*(1+GL)/1.5,5),10);

GL:=LOG(EXP(INDEXC/REF(INDEXC,1)*REF(C,1)/C));上板:DRMWBMND(ema(EMM(EMM(EMM(MM(C,20)+GL*STD(C+SUM(C-REF(C,5),5)/5,30),20),20),20),20),RGB(125,125,255),EMM(EMM(EMM(EMM(MM(C,20)+GL*STD(C,60),20),20),20),20),RGB(125,125,255));DWMM:=EMM(EMM(EMM(EMM(EMM(EMM(MM(C,20)-GL*STD(C,60),20),60),30),20),10),5);下板:EMM(EMM(EMM(O,30)*(1+GL)/1.5,5),10);