朋友分享的公式，用周线的拐点抓上升（买进）和下降的（卖出）的波段。其它各种颜色的线的使用含义请自己总结并应用。小白用的，高手请绕道。非原创
A1:="KD.K"(9,3,3);
A2:="KD.D"(9,3,3);
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
{www.hjcfw.com}
周K:=MA("KDJ.K#WEEK"(9,3,3) ,5);
周D:=MA("KDJ.D#WEEK"(9,3,3) ,5);
周A:MA("KDJ.J#WEEK"(9,3,3) ,5),COLOR00FF00,LINETHICK2;
IF(C>0,50,DRAWNULL),COLOR00FF00,LINETHICK6;
IF(周K>=周D,50,DRAWNULL),COLORFF00FF,LINETHICK6;
DRAWTEXT(CURRBARSCOUNT=4,50,'KD金叉'),COLORFFFFFF;
STICKLINE(周K>=周D,周K,周D,1,1),COLORFF00FF;
STICKLINE(周K<周D,周K,周D,1,1),COLOR00FFFF;
IF(周A>=REF(周A,1),周A,DRAWNULL),COLORRED,LINETHICK2;
STICKLINE(C>0,105,110,2,1),COLOR00FF00;
STICKLINE(周A>=REF(周A,1),100,110,2,0),COLORFF00FF;
DRAWTEXT(CURRBARSCOUNT=4,100,'拐点'),COLORFFFFFF;
STICKLINE(C>0,-5,-10,2,1),COLOR00FFFF;
STICKLINE(周K>=REF(周K,1),-10,0,2,0),COLOR0000FF;
DRAWTEXT(CURRBARSCOUNT=4,-5,'K拐点'),COLORFFFFFF;
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