公式名称：《KDJ》一个很普通的指标，我只是根据经验把它简单化了，能一目了然知道何时买、何时卖。把你手上所熟悉的二、三十只股轮番做，做完一波做另一波，具体解释看下面图例
通达信副图公式原码：

RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100,LINETHICK2;
K:SMA(RSV,M1,1),LINETHICK1;
D:SMA(K,M2,1),LINETHICK1;
J:3*K-2*D,COLORFF00FF,LINETHICK1; 
IF(J<0,J,DRAWNULL),COLORGREEN,LINETHICK2;
IF(K>90,K,DRAWNULL),COLOR0000FF,LINETHICK2;
IF(D>85,D,DRAWNULL),COLORFFFF11,LINETHICK2;
DRAWICON(CROSS(J,1),J,1);
DRAWICON(K>80 AND D>80 AND CROSS(D,K),D,2);

通达信选股公式原码：RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100,LINETHICK2;
K:=SMA(RSV,M1,1),LINETHICK1;
D:=SMA(K,M2,1),LINETHICK1;
J:=3*K-2*D,COLORFF00FF,LINETHICK1; 
COUNT(J<0,8)>=3 AND CROSS(J,1) AND K>=REF(K,1);