KDJ价格趋势副图，KDJ红柱上穿20买入

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

a=SMA(RSV,M1,1);

b=SMA(a,M2,1);

e=3*a-2*b;

K:a;

D:b;

J:e;

强势:50;

超跌:15;

STICKLINE(K>REF(K,1),0,K,4,1),colorred;

STICKLINE(K<=REF(K,1),0,K,4,1),colorgreen;

STICKLINE(J<0,J,0,2,0),LINETHICK2,,colorblue;

V1:=ZIG(3,12);

V2:IF(REF(V1,2)>REF(V1,1) AND V1>REF(V1,1),50,0),colorred,LINETHICK2;

V3:IF(REF(V1,2)<REF(V1,1) AND V1<REF(V1,1),50,0),colorblue,LINETHICK2;

VAR1:=ZIG(3,12)<REF(ZIG(3,12),1) AND REF(ZIG(3,12),1)>REF(ZIG(3,12),2);

VAR2:=ZIG(3,12)>REF(ZIG(3,12),1) AND REF(ZIG(3,12),1)<REF(ZIG(3,12),2);

DRAWTEXT(VAR1,50,'顶'),coloryellow;

DRAWTEXT(VAR2,50,'底'),coloryellow;

VAR3:=IF(TROUGHBARS(3,16,1)=0 AND HIGH>LOW+0.04,4,0);

买点:= VAR3,colorred;

DRAWTEXT(买点>0,45,'低吸点'),colormagenta;

STICKLINE(买点,0,50,2,0),colormagenta,LINETHICK1;