{KDJ买卖顶底指标}
N:=9;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:SMA(RSV,M1,1);
D:SMA(K,M2,1);
J:3*K-2*D;
买线:20;
卖线:80;
中轴:50;
DRAWICON(CROSS(J,买线),买线,1);
DRAWICON(CROSS(卖线,J),卖线,2);
STICKLINE(J>=卖线 AND REF(J,1)<卖线,HIGH,LOW,0,0),COLORRED;
STICKLINE(J<=买线 AND REF(J,1)>买线,HIGH,LOW,0,0),COLORGREEN;
顶背离:REF(HIGH,BARSLAST(J=HHV(J,20)))>REF(HIGH,BARSLAST(REF(J=HHV(J,20),1))) AND J<REF(J,BARSLAST(REF(J=HHV(J,20),1)));
底背离:REF(LOW,BARSLAST(J=LLV(J,20)))<REF(LOW,BARSLAST(REF(J=LLV(J,20),1))) AND J>REF(J,BARSLAST(REF(J=LLV(J,20),1)));
DRAWTEXT(顶背离,HIGH*1.02,'顶背离'),COLORRED;
DRAWTEXT(底背离,LOW*0.98,'底背离'),COLORGREEN;
