这段文字介绍了一个叫“20CM起爆”的量化选股模型，专门用来抓科创板、创业板次新股即将大涨前的信号。主要做了三件事：1）专盯上市超20天、快启动的次新股，利用它们涨跌幅大、盘子小的特点；2）用五个条件筛股票：看试盘动作（突然放量冲高）、形态突破（比如双底）、量价配合（交易活跃）、趋势向上（股价站上均线）、避开雷股（选优质板块）；3）还会根据牛市、震荡市、熊市调整筛选条件，比如牛市放宽要求，熊市加基本面指标。简单说就是教你怎么用数据抓次新股起涨点，不同行情还能灵活调整。
N:=5;
试盘:=H/REF(C,1)*100>108 AND AMO>REF(AMO,1);
CTA11:=REF(H<REF(H,2) AND REF(H,1)<REF(H,2) AND REF(H,2)>REF(H,3) AND REF(H,2)>REF(H,4)AND C*1.1/REF(H,2)*100>97,1)AND H>REF(H,3);
CTA12:=REF(H<REF(H,3) AND REF(H,1)<REF(H,3) AND REF(H,2)<REF(H,3) AND REF(H,4)<REF(H,3) AND REF(H,5)<REF(H,3) AND C*1.1/REF(H,3)*100>97,1) AND H>REF(H,4);
CTA1:=CTA11 OR CTA12;
CTA2:=H>REF(H,1) AND L<=REF(L,1)AND H/L * 100 - 100 > 5;
DC:=COUNT(CTA1,N)+COUNT(CTA2,N)+COUNT(试盘,N)>=INTPART(N/2) AND C>MA(C,3) AND C>MA(C,5) AND C>MA(C,10) AND COUNT(试盘,3)>=1 AND COUNT(C>EXPMA(C,13),N)>=N-1 AND COUNT(C/REF(C,1)*100<119,N)=N AND COUNT(OPEN<CLOSE,N) >=INTPART(N/2) AND (CODELIKE('688')=1 OR CODELIKE('300')=1 OR CODELIKE('301')=1 OR CODELIKE('302')=1) AND FINANCE(42)>20;
启爆:REF(DC,1) AND C/REF(C,1)*100>108,COLORYELLOW;
