通道对称线———通达信通道+对称线公式（原创自编公式）

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{内通道}
重心:WMA((2*C+H+L)/4,2),COLOR00FFFF,LINETHICK0;
 UPPERS: 重心*(1+2.382/100),COLOR990099;
 LOWERS: 重心*(1-2.382/100),COLORFF9900;
 DRAWBAND(UPPERS,RGB(60,60,60), LOWERS,RGB(0,40,255));
重心*(1+2.382/100),COLOR990099;
重心*(1-2.382/100),COLORFF9900;

{红股.绿币的趋势线}
MA5:WMA(重心,5),COLOR00FFFF,DOTLINE;
 IF(MA5>REF(MA5,1),MA5,DRAWNULL),COLOR0099FF,LINETHICK3;

  {中通道}
VAR2:=重心*VOL;
 VAR3:=(EMA(VAR2,3)/EMA(VOL,3)+EMA(VAR2,8)/EMA(VOL,8)+EMA(VAR2,13)/EMA(VOL,13)+EMA(VAR2,21)/EMA(VOL,21))/4;
 UP:VAR3*1.0809,COLOR0044FF,LINETHICK2;
 DN:VAR3*0.9191,COLOR00FF00,LINETHICK2;

(UP+DN)/2,COLOR00FF00,LINETHICK1;
 IF((UP+DN)/2>REF((UP+DN)/2,1), (UP+DN)/2,DRAWNULL),LINETHICK2,COLORRED;
 {外通道}
VAR4:=EMA(重心,19);
 LUP:EMA(VAR4*1.119,3),COLORFF00FF,DOTLINE;
 LDN:EMA(VAR4*0.881,3),COLORFF9900,DOTLINE;

UPL:=LUP-UP;
 DRAWBAND(UP+UPL*0.02, RGB(200,0,255),UP+UPL*0.2,RGB(200,0,255));
 DRAWBAND(UP+UPL*0.2, RGB(180,0,220),UP+UPL*0.4,RGB(180,0,220));
 DRAWBAND(UP+UPL*0.4, RGB(150,0,180),UP+UPL*0.5,RGB(150,0,180));
 DRAWBAND(UP+UPL*0.5, RGB(120,0,150),UP+UPL*0.6,RGB(120,0,150));
 DRAWBAND(UP+UPL*0.6, RGB(100,0,120),UP+UPL*0.8,RGB(100,0,120));
 DRAWBAND(UP+UPL*0.8, RGB(80,0,80),UP+UPL,RGB(80,0,80));

DPL:=DN-LDN;
 DRAWBAND(DN-DPL*0.02, RGB(0,180,180),DN-DPL*0.2,RGB(0,180,180));
 DRAWBAND(DN-DPL*0.2, RGB(0,150,150),DN-DPL*0.4,RGB(0,150,150));
 DRAWBAND(DN-DPL*0.4, RGB(0,120,100),DN-DPL*0.6,RGB(0,120,100));
 DRAWBAND(DN-DPL*0.6, RGB(0,100,80),DN-DPL*0.8,RGB(0,100,80));
 DRAWBAND(DN-DPL*0.8, RGB(0,80,50),DN-DPL,RGB(0,80,50));


 {K线}
STICKLINE(CLOSE>OPEN OR CLOSE=OPEN AND CLOSE>REF(CLOSE,1),LOW,HIGH,0.0,0),COLORRED;
 STICKLINE(CLOSE<OPEN OR CLOSE=OPEN AND CLOSE<=REF(CLOSE,1),LOW,HIGH,0.0,0),COLORCYAN;
 STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,3,0 ),COLOR008800;
 STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,2,0 ),COLOR00AA00;
 STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,1,0 ),COLOR00DD00;
 STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,0,0 ),COLOR00FF00;
 STICKLINE(CLOSE>OPEN,CLOSE,OPEN,3,0) ,COLOR000088;
 STICKLINE(CLOSE>OPEN,CLOSE,OPEN,2,0) ,COLOR0000AA;
 STICKLINE(CLOSE>OPEN,CLOSE,OPEN,1,0) ,COLOR0000DD;
 STICKLINE(CLOSE>OPEN,CLOSE,OPEN,0,0) ,COLOR0000FF;
 HH:=PEAKBARS(H,5,1);
 LL:=TROUGHBARS(L,5,1);
 DRAWLINE(LL=0,L,HH=0,H,0),COLORYELLOW;
 DRAWLINE(HH=0,H,LL=0,L,0),COLORYELLOW;
 PLOYLINE(HH=0,H),DOTLINE,COLORRED;
 PLOYLINE(LL=0,L),DOTLINE,COLORGREEN;