这是一个主力资金选股指标，核心逻辑是捕捉低位启动的强势股。主要筛选条件包括：1.排除科创板股票；2.换手率低于20%；3.股价处于历史低位；4.筹码集中（HG12显示85%与15%成本价差<30%）；5.当日涨幅超4%且收盘价创近期新高。操作策略：当"主力"信号出现时，说明符合低位+筹码集中+放量突破条件，可考虑跟进，但需注意股价需低于40元且非科创板标的。该指标适合短线强势股追涨策略。
HG6:=VOL/CAPITAL*100;
HG7:=IF(CODELIKE('688'),0,1);
HG8:=COST(85);
HG9:=COST(15);
HG10:=HG8-HG9;
HG11:=(HG8+HG9)/2;
HG12:=HG10/HG11*100< 30,LINETHICK0;
HG13:=HHV(H,250);
HG14:=LLV(LOW,250);
HG15:=HG13-HG14;
HG16:=(HG11-HG14);
HG17:=HG11< (HG15*04+HG14),LINETHICK0;
HG18:=HG12 AND HG17;
HG19:=C/REF(C,1)>1.04;
HG20:=EMA(100*(C-LLV(LOW,30))/(HHV(H,30)-LLV(LOW,30)),3);
HG21:=HG20>=75 AND C>0 AND C>O;
主力:FILTER(HG21 AND HG18 AND HG16 AND WINNER(C)>=0.90 AND HG19 AND C/REF(C,1)>1.092 AND C=H AND C< 40 AND HG7 AND HG6< 20 ,10);
