这是一个很不错的指标，一般黄线上穿红线就有一波大涨，黄线下穿红线就有一波大跌，请仔细体会。

很精准

RSV:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100;

K0:=SMA(RSV,3,1);

K:=K0;D:=SMA(K0,2,1);

J1:(3*K0-2*D),COLORYELLOW;J2:MA(J1,2),COLORRED;

MAV:=(2*C+H+L)/4;

VAR1:=LLV(LOW,21);

VAR2:=HHV(HIGH,21);

SK: EMA((MAV-VAR1)/(VAR2-VAR1)*100,8),COLORWHITE;

SD: EMA(0.667*REF(SK,1)+0.333*SK,1),COLORCYAN;

SJ:=3*SK-2*SD;

50,POINTDOT,COLORRED;

70,POINTDOT,COLORRED;