该指标核心功能是识别高风险反弹买点。策略逻辑：1.长期趋势向上（通过三重EMA叠加确认）；2.短期出现超卖信号（当RSI类指标下穿45/20）；3.触发反转条件（连续调整后收阳且当日涨幅超8.5%）。当三者共振时，发出"刀口舔血"信号，提示在趋势支撑位博弈超跌反弹。操作需快进快出，适合激进的趋势跟踪策略，但名称暗示高风险，应搭配严格止损。
HG1:=531+1510000;
HG2:=IF(DATE>HG1,1,1);
HG3:=REF(CLOSE,1);
HG4:=EMA(HHV(HIGH,1),8);
HG5:=EMA(CLOSE,8);
HG6:=((HG5<REF(HG5,1)) AND (CLOSE<HG5));
HG7:=IF(((HG4<REF(HG4,1)) OR HG6),1,0);
HG8:=SMA(MAX(CLOSE-HG3,0),2,1)/SMA(ABS(CLOSE-HG3),2,1)*100;
HG9:=HG8<45 AND REF(HG8,1)>45;
HG10:=HG8<20 AND REF(HG8,1)>20*HG2;
HG11:=EMA(CLOSE,17);
HG12:=(3*CLOSE+LOW+OPEN+HIGH)/6;
HG13:=20*HG12+19*REF(HG12,1)+18*REF(HG12,2)+17*REF(HG12,3)+16*REF(HG12,4);
HG14:=15*REF(HG12,5)+14*REF(HG12,6)+13*REF(HG12,7)+12*REF(HG12,8)+11*REF(HG12,9);
HG15:=10*REF(HG12,10)+9*REF(HG12,11)+8*REF(HG12,12)+7*REF(HG12,13)+6*REF(HG12,14);
HG16:=(HG13+HG14+HG15+5*REF(HG12,15)+4*REF(HG12,16)+3*REF(HG12,17)+2*REF(HG12,18)+REF(HG12,20))/210;
HG17:=EMA(EMA(CLOSE,5),8);
HG18:=EMA(EMA(HG17,13),50);
HG19:=HG11>EMA(HG16,13) AND HG11>HG18 AND EMA(HG16,13)>HG18;
HG20:=((COUNT((HG7=1),4)=3) AND (HG7=0)) AND OPEN<CLOSE;
HG21:=(((CLOSE-REF(CLOSE,1))/REF(CLOSE,1))>0.085);
HG22:=(C-REF(CLOSE,1))/REF(CLOSE,1)>0.085;
HG68:=(REF(HG10,1) OR REF(HG9,1));
HG66:=(((HG20 AND HG21)*89)>=89) OR (HG22 AND HG68);
刀口舔血:HG66 AND HG2=1 AND HG19=1,STICK,COLORLIRED,LINETHICK4;
DRAWTEXT(刀口舔血,刀口舔血*0.71,' ←刀口舔血'),COLORLIRED;
