『安全度』原码

Var2:=LLV(LOW,33);
Var3:=HHV(HIGH,21);
Var4:=EMA((CLOSE-Var2)/(Var3-Var2)*100,20)*0.998;
100,stick,LINETHICK7, COLORffcc33;
80, stick,LINETHICK7, COLORFF9933;(来源：www.yz21.org 中国股票网)
50,stick,LINETHICK7, colorblue;
20,stick,LINETHICK7,colorcc0033;
20,,  COLORWHITE;
50,,  COLORYELLOW;
80,,  COLORCYAN;
DRAWTEXT(FILTER(CLOSE>0,25),10,'极度危险区'),, COLORWHITE;
DRAWTEXT(FILTER(CLOSE>0,25),30,'危险区'), ,  COLORWHITE;
DRAWTEXT(FILTER(CLOSE>0,25),65,'安全区'), ,  COLORWHITE;
DRAWTEXT(FILTER(CLOSE>0,25),88,'高安全区'), ,  COLORWHITE;
当前安全度: 100-EMA(0.667*REF(Var4,1)+0.333*Var4,1),circledot,linethick2 ,COLORRED;