以下是通达信趋势kdj指标公式
HP:=HHV(H,9);
LP:=LLV(L,9);
R:=(C-LP)/(HP-LP)*100;
K:SMA(R,3,1),COLORYELLOW,LINETHICK2;
D:SMA(K,3,1),COLORWHITE,LINETHICK2;
J:3*K-2*D,COLORFF9999,LINETHICK2;
M:=MA(R,40);
S:=STD(R,40);
高:=M+2*S;
中:=M;
低:=M-2*S;
【高】: 高,COLOR0099FF;
【中】: 中,POINTDOT,COLORWHITE;
【低】: 低,COLOR00FF00;
DRAWTEXT(CROSS(高,J) ,J*1.2,'★'),COLORYELLOW;
DRAWTEXT(CROSS(中,J) AND M<=80 ,高,'抛'),COLORRED;
DRAWTEXT(CROSS(J,低) ,J,'▲'),COLOR00FF00;
DRAWTEXT(CROSS(J,低) AND K<10 ,J,'▲'),COLORRED;
DRAWTEXT(CROSS(J,中) AND K>D ,0,'吸'),COLORYELLOW;
DRAWTEXT(CROSS(D,K) AND (D>M OR D>=50),D,'★'),COLORYELLOW;
DRAWTEXT(CROSS(D,K) AND M>80,高,'逃顶'),COLORYELLOW;
DRAWTEXT(CROSS(D,K) AND D>85,D,'★'),COLORRED;
DRAWTEXT(CROSS(K,D) AND D<15,D,'▲'),COLORRED;
DRAWTEXT(中>80 ,中,'★'),COLORRED;