主题：不开仓求指导

{开多} ENTERLONG:    a and vol>ref(vol,barslast(a)), TFILTER;

{平多}EXITLONG:   VOL<REF(VOL,BARSLAST(A)) AND C>REF(C,BARSLAST(A)) and vol>ref(vol,1) OR L<REF(L,BARSLAST(A)) ,TFILTER;

{开空}ENTERSHORT:   b and vol>ref(vol,barslast(b))TFILTER;

{平空}EXITSHORT:  VOL<REF(VOL,BARSLAST(B)) AND C<REF(C,BARSLAST(B))  and vol>ref(vol,1) OR H<REF(H,BARSLAST(B)),TFILTER;