RSV:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
K:SMA(RSV,3,1),colorwhite;
D:SMA(K,3,1),coloryellow;
超跌极限买入:if(cross(k,d) and "cys"<-10 and ref("asr",3)<10,50,0);
超跌反弹:if(cross(K,D) and K<=20,80,20),COLORRED,LINETHICK2;
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低吸:20, POINTDOT,COLOR00FF00,LINETHICK2;
强弱分界:50, POINTDOT,COLORFFCCCC,LINETHICK2;
高抛:80, POINTDOT,COLORYELLOW,LINETHICK2;
MAV:=(2*C+H+L)/4;
Var1:=LLV(LOW,34);
Var2:=HHV(HIGH,34);
SK:EMA((MAV-Var1)/(Var2-Var1)*100,13),COLORFF00FF;
SD:EMA(0.667*REF(SK,1)+0.333*SK,2),COLORBLUE;
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