布林收缩低吸 收缩是低吸区 开口即是买入点 通达信副图指标 源码 贴图

{布林收缩低吸}
N:=20;
BOLL:MA(CLOSE,N),NODRAW;
UB:BOLL+2*STD(CLOSE,N),NODRAW;
LB:BOLL-2*STD(CLOSE,N),NODRAW;
差值:UB-LB;{WWW.GPXIAZAI.COM}
低吸区:IF(差值<0.20,差值*2,0);
DRAWBAND(低吸区,RGB(255,0,0),0,RGB(255,125,0));