Group differences in portfolio similarity and trading similarity.

<p>Relation between mean trading similarity and mean portfolio similarity for the investors of the ten largest groups obtained in the analysis of the similarity network. The large and diverse first cluster neither score high on portfolio similarity nor trading similarity, while group four seems to have most homogeneous investors, both when considering portfolio similarity and trading similarity. The portfolio similarity values are all greater than 0.5, since the groups are created with portfolio similarity as a condition.