RSV:=(((CLOSE - LLV(LOW,33)) / (HHV(HIGH,33) - LLV(LOW,33))) * 100);Y0:SMA(RSV,7,1),colorwhite;Y1:SMA(SMA(RSV,7,1),4,1),coloryellow;Y3:SMA(SMA(SMA(RSV,7,1),4,1),6,1),colormagenta;Y20:20,POINTDOT;Y80:80,POINTDOT;DRAWTEXT(OSS(Y0,Y20),Y0,'始');DRAWTEXT(CROSS(Y1,Y0),Y1,'终');