N:=31;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:3*K-2*D;
FILLRGN(J>50,J,50,COLORRED);
FILLRGN(J<50,50,J,COLORGREEN);