指标的核心功能是识别股票主升浪的启动时机。它通过三个关键信号捕捉趋势反转点：一是短期均线增长率由负转正，表明下跌动能衰竭；二是MACD指标出现金叉且持续增强，确认动量反转；三是价格与均线同步上行，形成多头共振。操作策略为当这些条件同时满足时，视为趋势反转确认点，可及时介入。
HG:=(EMA(C,13)/REF(EMA(C,13),1)-1)*100;
VARG:=EXIST(CROSS(HG,0),10) AND CROSS(MACD.MACD,0) AND (MACD.MACD>REF(MACD.MACD,1)) AND C>REF(C,1) AND EMA(C,13)>REF(EMA(C,13),1);
JZBYXS:=FILTER(VARG,10);
STICKLINE(JZBYXS=1,0.5,1,4.0,0),COLORYELLOW;
STICKLINE(JZBYXS=1,0.5,1,3.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,1,3.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,1,2.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,1,2.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,1,1.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,1,1.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0.5,0,1.5,1),COLORFFAAFF;
STICKLINE(JZBYXS=1,0,0.5,4.0,0),COLORYELLOW;
STICKLINE(JZBYXS=1,0,0.5,3.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.5,3.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.5,2.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.5,2.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.5,1.5,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.2,1.0,0),COLORFF00FF;
STICKLINE(JZBYXS=1,0,0.5,0.5,0),COLORFF00FF;
DRAWTEXT(JZBYXS=1,0.8,'★拐点★'),COLORYELLOW;
DRAWICON(JZBYXS,1,34);
