Przypadkowość wyników inwestycyjnych FIO funkcjonujących na polskim rynku kapitałowym

The dynamic development of the investment funds market in Poland lets us carry out research regarding different aspects of their functioning. A potential participant of the funds must especially answer such questions as: Which fund should he choose?, Has already chosen fund got any chances to become the leader for a longer period of time? The work is devoted to one of the variants of answering the problem that is being discussed, especially it analyses the repetitiveness of the FIO investment results achieved in 2003-2007 and 2007-2011. From the funds' customers' points of view, this is a fundamental issue because entrusting their savings with a "good" fund, one wants to know whether it still will be achieving satisfactory investment results. Maybe a good ranking position at a certain moment is accidental? The research was done on the funds from different risk categories such as equity funds, balanced ones.