This paper explores the presence of within -month effects on the Romanian capital markets. In our analysis we employ the daily values of some important indexes from two main components of the Bucharest Stock Exchange: BET, where there are listed some of the biggest Romanian corporations, and RASDAQ, which includes smaller companies. We find some significant differences between the calendar anomalies from the two markets. We also discover that in the last years within -month effects experienced

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... ome changes that could be linked with the development of the Romanian financial markets, by the adhesion to the European Union and by the global crisis. Keywords: Calendar patterns, Romanian capital market, turn of the month effect, third month effect, half of the month effect JEL classification: G02, G01, G14,