笑君强势股回调选股

A:=C<O;
B:=COUNT(A,4)=4;
D:=OBV-MA(OBV,30);  
E:=MA(C,20)>REF(MA(C,20),1) AND MA(C,55)>REF(MA(C,55),1);
XG:B AND D>0 AND E;