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;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,'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