{波段进出}
vara:=(-100)*(HHV(HIGH,13)-CLOSE)/(HHV(HIGH,13)-LLV(LOW,13));
波段:vara;
 -50;
 -90;
 -10;
 STICKLINE(波段>-50,-50,波段,2,0),colorred;
 STICKLINE(波段<-50,-50,波段,2,0),colorblue;
 var1:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
 var2:=SMA(SMA(var1,3,1),3,1);
 var3:=EMA(var2,5);
 var2;91.307,COLORred;
 6.788,COLORwhite;
 49.048,COLORgreen;
 BB:var3,COLORYELLOW;
是金:3*var2-2*var3,COLORRED;
 STICKLINE(CROSS(是金,var2) AND 是金<21,var2-5,var2+15,8,0),COLORYELLOW;
 STICKLINE(CROSS(var2,是金) AND 是金>55,var2-5,var2+15,8,0),colorblue;
 DRAWTEXT(CROSS(是金,var2) AND 是金<21,var2-3,'进'),COLORYELLOW;
 DRAWTEXT(CROSS(var2,是金) AND 是金>55,var2+15,'出'),colorwhite;