BOLL1:MA(CLOSE,15);
UB:BOLL1+2*STD(CLOSE,15);
LB:BOLL1-2*STD(CLOSE,15);
DRAWKLINE(H,O,L,C);
IF(LB>L,L,DRAWNULL),COLORRED,LINETHICK3;
DRAWICON(CROSS(H,LB),L,1);
IF(H>UB,H,DRAWNULL),COLORBLUE,LINETHICK3;
DRAWICON(CROSS(UB,C),H,2);
IF(C>BOLL1,BOLL1,DRAWNULL),COLORYELLOW,LINETHICK3;
IF(C