S1:=HHV(H,N)/LLV(L,N)<=1.15;{限制大阳出现之后,N个交易日内震荡小于15%}
S2:=REF(C,N)/REF(C,N+1)>=1.0932
AND REF(H,N)!=REF(O,N)
AND REF(C,N)=REF(H,N);{N天前涨停板大阳线,不早一字板2T}
S3:=L>REF(L,N)AND H/REF(H,N)<=1.08 AND LLV(L,N)>=REF(L,N);
S4:={C>MA(C,5)AND }C
屠龙刀:S1 AND S2 AND S3 AND S4;