布林极限宽主图指标 (源码)

N:=10;P:=2;
MID := MA(CLOSE,N);
UPPER:= MID + P*STD(C,N);
LOWER:= MID - P*STD(C,N);
B:(UPPER-LOWER)/MID,COLORWHITE,LINETHICK2;
A:STICKLINE(B<0.085,B,0.085,0.5,0),COLORLIBLUE;
DRAWTEXT(A,0.2,'变')COLORGREEN;
0.085;