优化成本布林线

a:=MONEY/(VOL);

BBI1:MA(A,N),colorwhite;

UPR0:BBI1+STD(A,N),colorblue;

DWN0:BBI1-STD(A,N),colorgreen;

UPR1:BBI1+1.7*STD(A,N),coloryellow;

DWN1:BBI1-1.7*STD(A,N),colorcyan;

STICKLINE(CROSS(C,BBI1) OR CROSS(BBI1,C),OPEN,CLOSE,6,0),colorblue;

DRAWICON(CROSS(C,BBI1),L*0.98,"buy");

DRAWICON(CROSS(BBI1,C),H*1.04,"SELL");