EN
This article is providing the analysis of the rate of return basing on the Warsaw Stock Exchange Market according to some anomalies like small companies rate of return that is higher on average than investment in shares with the large capitalization. Basing on the analysis done in this paper one can come to the conclusion that the small capitalization effect doesn't exist on Polish market when 1996-2006 period is being analyzed yet this anomaly was observed in 1996-2001 period when the market was less efficient.