新股民用此指标一览无余、老股民用此指标不言而喻！
主图布林线优化后，反转表现的淋漓尽致！
副图买卖轨道一目了然，无论新股民、老股民；无论牛市、熊市，都能在股海游刃有余；都会对股价走势了如指掌！
{布林智能反转点位+准确买卖轨道主图/副图公式}
N:=20;
BOLL:MA(CLOSE,N);
UB:BOLL+2*STD(CLOSE,N);
LB:BOLL-2*STD(CLOSE,N);
MID:=BOLL;
WIDTH:=(UB-LB)/MID;
VAR1:=REF(WIDTH,1);
VAR2:=SMA(MAX(WIDTH-VAR1,0),7,1)/SMA(ABS(WIDTH-VAR1),7,1)*100;
VAR3:=CROSS(VAR2,15);
VAR4:=CROSS(85,VAR2);
DRAWICON(VAR3,LB*0.98,1);
DRAWICON(VAR4,UB*1.02,2);
STICKLINE(VAR3,LB,LB*0.98,3,0),COLORRED;
STICKLINE(VAR4,UB,UB*1.02,3,0),COLORGREEN;
DRAWTEXT(VAR3,LB*0.95,'买'),COLORRED;
DRAWTEXT(VAR4,UB*1.05,'卖'),COLORGREEN;
DRAWKLINE(HIGH,OPEN,LOW,CLOSE);
DRAWBAND(UB,RGB(150,50,50),LB,RGB(50,150,50));
