通达信【布林图】用了5年的主图，很好用！

轨道走平，收紧！出现买点，效果很好!   

{布林图}

中轨 :MA(CLOSE,20),COLORRED,LINETHICK2;

上轨:中轨+1*STD(CLOSE,20),COLORWHITE;

下轨:中轨-1*STD(CLOSE,20),COLOR00FF00;

上上轨:中轨+2*STD(CLOSE,20),COLORYELLOW;

下下轨:中轨-2*STD(CLOSE,20),COLORFF00FF;

VAR1:=SUM(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(LOW-REF(CLOSE,1))),25);

VAR2:=HIGH-REF(HIGH,1);

VAR3:=REF(LOW,1)-LOW;

VAR4:=SUM(IF(VAR2>0 AND VAR2>VAR3,VAR2,0),25);

VAR5:=SUM(IF(VAR3>0 AND VAR3>VAR2,VAR3,0),25);

VAR6:=VAR4*100/VAR1;

VAR7:=VAR5*100/VAR1;

VAR8:=MA(ABS(VAR7-VAR6)/(VAR7+VAR6)*100,15);

VAR9:=(VAR8+REF(VAR8,15))/2;

DRAWICON(CROSS(EMA(C,5),EMA(C,10)),L*0.98,1);

DRAWICON(CROSS(EMA(C,3),EMA(C,07)),L*0.98,9);

DRAWTEXT(CROSS(EMA(C,3),EMA(C,07)),L*0.95,'←买');

S:=7*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1)

-3*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1),3,1)

-SMA(SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1),3,1),2,1);

STICKLINE(CROSS(78.89,S),H+1.1,H,0.2,1),COLORGRAY;

DRAWTEXT(CROSS(78.89,S),H+1.1,'卖'),COLORFFFF00;

STICKLINE(C>上上轨,C,O,2,0),COLOR880088;

STICKLINE(C>上上轨,L,H,0,0),COLOR880088;