指标主要结合KDJ的变形信号与多个市场条件，识别强势上涨初期的“抢筹”机会。通过判断股价处于短期低位反弹阶段、排除ST及特定板块股票、设定流通市值和价格区间，并结合涨停特征（如当日涨幅接近10%且收盘等于最高价），筛选出主力资金可能正在积极介入的个股。当满足所有条件时，在图上标注“大牛抢筹”提示。
RSV:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
KA:=SMA(RSV,3,1);
DA:=SMA(KA,3,1);
JA:=3*KA-2*DA;
J1:=REVERSE(JA);
BEDZA:=REF(MA(C,1),10)>REF(MA(C,60),10);
CEFNK:=IF((C>REF(C,1)),88,0);
XWDZH:=IF(((C)/(REF(C,1))>1.05) AND ((H)/(C)>0),91,0);
QWSZC:=(FILTER((XWDZH>90),45)),COLORYELLOW;
STICKLINE(QWSZC,1,0,4,0),COLORYELLOW;
DRAWTEXT(QWSZC,0.8,'关'),COLORMAGENTA;
DRAWTEXT(QWSZC,0.6,'注'),COLORMAGENTA;
AK1:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
AK2:=SMA(AK1,3,1);
AKR1:=SMA(AK2,3,1);
AK3:=3*AK2-2*AKR1;
AKR2:=AK2>AKR1 AND AK3>AKR1 AND AK3>AK2;
AK4:=CAPITAL*C/1000000;
AKR3:=(C-REF(C,1))/REF(C,1)*100;
AK5:=NOT(NAMELIKE('ST') OR NAMELIKE('*ST') OR NAMELIKE('S') OR DYNAINFO(4)=0 OR INBLOCK('创业板') OR INBLOCK('科创板')) OR BARSCOUNT(C)>1;
AK6:=AK4>0 AND AK4< 80;
AK7:=AKR3>9.8 AND AKR3< 10.99 AND C=H;
AK8:=C>2 AND C< 22;
AK9:=COUNT(AK7,2)=1;
抢筹:AKR2 AND AK5 AND AK6 AND AK7 AND AK8 AND AK9,COLORMAGENTA;
DRAWTEXT(抢筹,0.8,'大'), COLORWHITE;
DRAWTEXT(抢筹,0.6,'牛'), COLORWHITE;
DRAWTEXT(抢筹,0.4,'抢'), COLORWHITE;
DRAWTEXT(抢筹,0.2,'筹'), COLORWHITE;
STICKLINE(抢筹,0,0.5,2,0),COLORRED;
