​通达信双线擒龙主图及选股指标公式

日布林和周布林带指标组合

指标源码：

N:=60;

M:=23;

N3:=125;

N4:=390;

MID:=MA(C,M);

VART1:=POW((C-MID),2);

VART2:=MA(VART1,M);

VART3:=SQRT(VART2);

UPPER:=MID+2*VART3;

LOWER:=MID-2*VART3; 

布林线:=IF(CURRBARSCOUNT<=100,REF(MID,1),DRAWNULL),DOTLINE,COLOR00FFFF;

日布:REF(UPPER,1),DOTLINE, COLOR00FF00;

BOLL3:=MA(CLOSE,N3);

BOLL4:=MA(CLOSE,N4);

最新价:IF(CURRBARSCOUNT<=50000,CONST(IF(C>0,C,H)),DRAWNULL),DOTLINE, COLORFF00FF ; 

周布:IF(CURRBARSCOUNT<=10000 AND ((BOLL3+2*STD(C,N3))-C)*100/C<20, BOLL3+2*STD(C,N3),DRAWNULL),LINETHICK2, COLORBLUE;

月布:IF(CURRBARSCOUNT<=10000 AND ((BOLL4+2*STD(C,N4))-C)*100/C<20 ,BOLL4+2*STD(C,N4),DRAWNULL),LINETHICK2, COLORGREEN;

选股：

N:=60;

M:=23;

N3:=125;

N4:=390;

MID:=MA(C,M);

VART1:=POW((C-MID),2);

VART2:=MA(VART1,M);

VART3:=SQRT(VART2);

UPPER:=MID+2*VART3;

LOWER:=MID-2*VART3; 

布林线:=IF(CURRBARSCOUNT<=100,REF(MID,1),DRAWNULL);

日布:=REF(UPPER,1);

BOLL3:=MA(CLOSE,N3);

BOLL4:=MA(CLOSE,N4);

周布:=IF(CURRBARSCOUNT<=10000 AND ((BOLL3+2*STD(C,N3))-C)*100/C<20, BOLL3+2*STD(C,N3),DRAWNULL);

CROSS(C,日布) AND CROSS(C,周布);