1.见血封喉指标是针对拉升之后的一波下跌或回调，达到主力计划的目标位后返身，以五日均线陡峭向上，封锁、扭转下跌退势，开起新的趋势，如果信号位置是个涨停板说明主力做多意愿强烈，底部形成，彰显主力雄心壮志。
2.尾盘或盘中选股均可，盘中选股遇到强势拉升的个股可等上板时直接打板介入，底部拉板则说明资金认可度高，后面大多有很好的涨势预期。
3.指标不含未来函数，指标不漂移。
{见底封喉--副图}
GHCZS1:=IF(INBLOCK('科创板'),0.2,IF(INBLOCK('创业板'),0.2,IF(INBLOCK('STGHCZS1'),0.05,0.1)));
GHCZS2:=(HIGH-MAX(CLOSE,OPEN))/(MIN(CLOSE,OPEN)-LOW)<=0.03;
GHCZS3:=HIGH/LOW>=1.03;{延进公式网 www.6073168.com}
GHCZS4:=MAX(CLOSE,OPEN)/MIN(CLOSE,OPEN)<=1.02;
GHCZS5:=(GHCZS2 AND GHCZS3 AND GHCZS4)*0.3;
GHCZS6:=IF(GHCZS1=0.2,ROUND2(ZTPRICE(REF(C,1),0.2),2),IF(GHCZS1=0.05,ROUND2(ZTPRICE(REF(C,1),0.05),2),ROUND2(ZTPRICE(REF(C,1),0.1),2)));
GHCZS7:=C>=GHCZS6 AND C=HIGH;
GHCZS8:=100*(C-REF(C,1))/REF(CLOSE,1);
见底封喉: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 GHCZS8>3,LINETHICK2,COLORFFFF00;
DRAWTEXT(见底封喉,0.71,' ★底部封喉'),COLORFF00FF;
{见底封喉--选股}
XG1:=IF(INBLOCK('科创板'),0.2,IF(INBLOCK('创业板'),0.2,IF(INBLOCK('STXG1'),0.05,0.1)));
XG2:=(HIGH-MAX(CLOSE,OPEN))/(MIN(CLOSE,OPEN)-LOW)<=0.03;
XG3:=HIGH/LOW>=1.03;
XG4:=MAX(CLOSE,OPEN)/MIN(CLOSE,OPEN)<=1.02;
XG5:=(XG2 AND XG3 AND XG4)*0.3;
XG6:=IF(XG1=0.2,ROUND2(ZTPRICE(REF(C,1),0.2),2),IF(XG1=0.05,ROUND2(ZTPRICE(REF(C,1),0.05),2),ROUND2(ZTPRICE(REF(C,1),0.1),2)));
XG7:=C>=XG6 AND C=HIGH;
XG8:=100*(C-REF(C,1))/REF(CLOSE,1);
见底封喉X: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 XG8>3;
