龙头起爆点（选股）

A1:=(C>=ZTPRICE(REF(C,1),0.1) AND INBLOCK('创业板')=0 AND INBLOCK('科创板')=0) OR C>=ZTPRICE(REF(C,1),0.2);
A2:=BARSLAST(REF(CROSS(A1,0.5),1) AND V>REF(MA(V,5),1)*N AND A1=0);
A3:=CROSS(C,REF(H,A2)) AND SUM(C>REF(H,A2),A2)=1;
C>O AND A3 AND A2<M;