N:=9;
M1:=3;
M2:=3;
M3:=3;
RSV:= (CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
FASTK:=SMA(RSV,M1,1);
K:SMA(FASTK,M2,1);
D:SMA(K,M3,1);
DRAWCOLORLINE(K>D,K,COLORRED,COLORGREEN),LINETHICK4;
DRAWCOLORLINE(K>D,D,COLORRED,COLORGREEN),LINETHICK4;
30,LINETHICK3,COLORBLUE;
50,LINETHICK3,COLORYELLOW;
70,LINETHICK3,COLORBLUE;
FILLRGN(K>70,K,70,RGB(0,80,0));
FILLRGN(K<30,K,30,RGB(80,0,0));
DRAWTEXT(CROSS(K,80),K,'顶'),COLORGREEN,FONTSIZE20;
DRAWTEXT(CROSSDOWN(K,20),K,'底'),VALIGN0,COLORRED,FONTSIZE20;