VAR1:=LLV(LOW,37);

VAR2:=HHV(HIGH,21);

VAR3:=EMA((CLOSE-VAR1)/(VAR2-VAR1)*100,20)*0.998;

100,STICK,LINETHICK7, COLORFFCC33;

90,,  COLORred;

95,,  COLORyellow;

80, STICK,LINETHICK7, COLORFF9933;

50,STICK,LINETHICK7, COLORBLUE;

20,STICK,LINETHICK7,COLORCC0033;

20,,  COLORWHITE;

10,,  COLORred,LINETHICK2;

50,,  COLORYELLOW;

80,,  COLORCYAN;

DRAWTEXT(FILTER(CLOSE>0,25),10,'高安全区'), COLORWHITE;

DRAWTEXT(FILTER(CLOSE>0,25),30,'安全区'),  COLORWHITE;

DRAWTEXT(FILTER(CLOSE>0,25),65,'危险区'),  COLORWHITE;

DRAWTEXT(FILTER(CLOSE>0,25),88,'极度危险区'),  COLORWHITE;

当前安全度: EMA(0.667*REF(VAR3,1)+0.333*VAR3,1),CIRCLEDOT,LINETHICK2 ,COLORRED;

STICKLINE(当前安全度<=13,0,当前安全度,1,1),COLORyellow,LINETHICK3;

STICKLINE(当前安全度>=90,90,当前安全度,1,1),COLORgreen,LINETHICK3;