通达信无极之火选股指标

AA:=(C-REF(C,1))/REF(C,1)*100;
AB:=REF(AA,2)<0 AND REF(C<O,2);
AC:=REF(AA,1)>=3;{公式之家BBS.GSZB.TOP}
B:CROSS(C,MA(C,55)) AND AA>=3 AND AC;