N:=13;
WR1:100*(HHV(HIGH,N)-CLOSE)/(HHV(HIGH,N)-LLV(LOW,N));
RSV:=(CLOSE-LLV(LOW,6))/(HHV(HIGH,6)-LLV(LOW,6))*100;
K:SMA(RSV,3,1),COLORGREEN;

DRAWBAND(-30,RGB(165,95,165),-20,RGB(0,100,20));
DRAWBAND(-90,RGB(165,95,165),-80,RGB(0,100,20));
WR1:-100*(HHV(HIGH,9)-CLOSE)/(HHV(HIGH,9)-LLV(LOW,9));
-30,COLORGREEN;
-20,COLORGREEN;
-80,COLORGREEN;
-90,COLORGREEN;