有什么好用的股票公式？同花顺领先KDJ副图指标公式

{使用说明:1，红柱持股，绿柱持币，白柱过渡2，红箭头均线多头，绿箭头均线空头。}

N1:=5;N2:=10;N3:=20;N4:=30;EMA7:=EMA(C,7);
BBI:=(MA(CLOSE,N1)+MA(CLOSE,N2)+MA(CLOSE,N3)+MA(CLOSE,N4))/4;
过渡:IF(BBI,10,DRAWNULL),COLORWHITE,LINETHICK9;
持股:IF(C>BBI AND BBI>REF(BBI,1),10,DRAWNULL), COLORRED,LINETHICK9;
持币:IF(C<=BBI AND BBI<=REF(BBI,1),10,DRAWNULL),COLORGREEN,LINETHICK9;
DRAWICON(CROSS(EMA7,BBI),7,1);DRAWICON(CROSS(BBI,EMA7),0,2);
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
A:=SMA(RSV,3,1);B:=SMA(A,3,1);E:=3*A-2*B;
K:A,COLORYELLOW;D:B,COLORFFFF00;J:E,COLORLIRED;
强势区:80,COLORGRAY;强弱分界:50,COLORRED;弱势区:20,COLORGRAY;