“…The calculations made allowed us to draw the conclusion about the phenomenon of very weak, though statistically significant, performance repeatability achieved by open pension funds operating on the Polish market. The analysis of empirical data also confirms previous local and international results (Bohl, Lischewski, & Voronkova, 2011;Draženović, Hodžić, & Maradin, 2019;Kurach, 2019) indicating that the rates of return recorded by individual entities become increasingly similar over time. The study highlighted the clear advantages of the methods adopted to study distribution dynamicsabove all, the ease of interpretation of the results obtained.…”