20,DOTLINE,COLORLIGRAY;
 80,DOTLINE,COLORLIGRAY;

 N:=9;
 M:=12;
 RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
 K:=SMA(RSV,3,1);
 D:=SMA(K,3,1);
 J:=((3*K)-(2*D));
 DRAWBAND(K,100,D,RGB(0,100,0));
 DRAWBAND(J,200,K,RGB(0,90,150));
 DRAWBAND(IF(J<0,J,0),0,0,200);
 DRAWBAND(IF(J>100,J,100),RGB(190,190,0),100,RGB(190,190,0));
 DRAWTEXT(REF((J<-5)>0,1) AND (J<-3)=0,2,'买'),COLORYELLOW;
 VAR1:=(L+H+C*4)/6;
 EMA12:=EMA(VAR1,N);
 VAR2:=(EMA12-REF(EMA12,1))/REF(EMA12,1)*100;
 G:=BARSLAST(CROSS(VAR2,0))+1;
 DL:=V<REF(LLV(V,M),1);
 DLZ:=BARSLAST(DL);
 LJ:=C<REF(LLV(L,DLZ),1) AND COUNT(V<REF(HHV(V,G),1),5)=5;
 DRAWTEXT(J<-1 AND LJ AND VAR2<-1,25,'买'),COLORWHITE;