本指标把握主力动向，及时逃顶抄底。

RSV:=(CLOSE-LLV(LOW,7))/(HHV(HIGH,7)-LLV(LOW,7))*100;
 Y0:SMA(RSV,3,1),colorred,LINETHICK1;
 Y1:SMA(Y0,3,1),coloryellow,LINETHICK1;
 RSV1:=(CLOSE-LLV(LOW,38))/(HHV(HIGH,38)-LLV(LOW,38))*100;
 Y2:SMA(RSV1,5,1),colormagenta,LINETHICK2;
 Y3:SMA(Y2,10,1),colorgreen,LINETHICK2;
超卖:18,colorwhite;
超买:85,colorblue;
 STICKLINE(Y0>Y1,Y0,Y1,1,0),colorred;
 STICKLINE(Y0<=Y1,Y0,Y1,1,0),coloryellow;
 STICKLINE(Y2>Y3,Y2,Y3,1,0),colormagenta;
 STICKLINE(Y2<=Y3,Y2,Y3,1,0),colorgreen;
 DRAWTEXT(CROSS(Y2,Y3),Y2,'始');
DRAWTEXT(CROSS(Y3,Y2),Y3,'终');