红色细线介入，红色粗线持股，再到红色细线抛出。蓝线为下跌趋势。
ZJ:EMA(C,13),COLOR0000FF;
HY:EMA(C,20),COLORFF00FF;
ZJ升:IF(ZJ>REF(ZJ,1),ZJ,DRAWNULL),colorred,LINETHICK2;
ZJ降:IF(ZJ<=REF(ZJ,1),ZJ,DRAWNULL),colorblue,LINETHICK2;
HY升:IF(HY>REF(HY,1),HY,DRAWNULL),COLORFF00FF,LINETHICK2;
