EN
The aim of this paper is to compare modified multifactor market-timing models: the three factor model with the Fama and French spread variables SMB and HML, and the hybrid four-factor model with the additional factor that proxies for the monthly payoffs of a successful market timer. We examined the market-timing and selectivity abilities of selected 15 Polish equity open end mutual funds' managers using daily and monthly data from January 2003 to December 2009.