指标主要用于识别股票在长期下跌后出现的强势反转信号。其核心逻辑是寻找价格经过连续多日低位盘整后，首次放量突破短期均线且当日大幅上涨的形态，此类信号往往预示着趋势的反转。
操作策略：当系统出现"金底封喉"黄色信号柱时，表明股票可能结束长期下跌，开始强势反弹，是较为明确的买入时机。
VARG1:=IF(INBLOCK('科创板'),0.2,IF(INBLOCK('创业板'),0.2,IF(INBLOCK('STVARG1'),0.05,0.1)));
VARG2:=(HIGH-MAX(CLOSE,OPEN))/(MIN(CLOSE,OPEN)-LOW)<=0.03;
VARG3:=HIGH/LOW>=1.03;
VARG4:=MAX(CLOSE,OPEN)/MIN(CLOSE,OPEN)<=1.02;
VARG5:=(VARG2 AND VARG3 AND VARG4)*0.3;
VARG6:=IF(VARG1=0.2,ROUND2(ZTPRICE(REF(C,1),0.2),2),IF(VARG1=0.05,ROUND2(ZTPRICE(REF(C,1),0.05),2),ROUND2(ZTPRICE(REF(C,1),0.1),2)));
VARG7:=C>=VARG6 AND C=HIGH;
VARG8:=100*(C-REF(C,1))/REF(CLOSE,1);
金底封喉:REF(COUNT(EVERY(C< REF(MIN(C,OPEN),1),3),10),0)>=3 AND CROSS(C,MA(C,5)) AND ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*180/3.142< -40 AND CLOSE>O AND CLOSE>REF(CLOSE,1) AND VARG8>3,STICK,LINETHICK3,COLORYELLOW;
DRAWTEXT(金底封喉,0.71,' ★金底封喉'),COLORYELLOW;
