This paper approaches the behavior of stock returns on US capital market during the first half of February. We use the closing values of four indexes from United States capital market for the period January 2011 - April 2023. We found, for all four indexes, abnormal high returns during the first...

Since their discovery, many calendar anomalies experienced different types of changes. This paper explores the possibility of enlargement of the time interval specific to the January Effect on London Stock Exchange. We investigate the abnormal returns presence on an extended time interval that...

Some calendar anomalies are not persistent in time. They experience various changes, including the modifications on their specific time intervals. This paper approaches the persistence in time of the abnormal returns of stock returns from United States capital market during the...

This paper explores some changes induced on the Romanian foreign exchange market by the global crisis. We study these changes from the perspective of number and intensity of the shocks occurred before and after the global crisis. We found some significant differences, explainable not only by the...

The Turn-of-the-quarter (TOQ) Effect is a calendar anomaly consisting in abnormal returns occurring in a specific time interval, that starts in the mth last trading day of a quarter (BQ-m) and ends in the nth last trading day of a quarter (BQ+n). As many other anomalies, the TOQ Effect is not...

This paper explores the impact of the large stock prices increases (positive shocks) and decreases (negative shocks) from the New York Stock Exchange on the returns and volatility of some European developed capital markets. We found that more than a half of shocks from these European stock...

This paper approaches the opportunities for contrarian and momentum profits during the periods of high trading volume preceded by stock prices shocks. We investigate these aspects for ten stocks from New York Stock Exchange. We found that more than three quarters of the periods of high trading...

Since the adhesion to European Union, the influence of the international financial markets on the Romanian capital market intensified. In this paper we investigate the impact of the shocks from New York Stock Exchange on the Bucharest Stock Exchange evolution. We found that a significant...

The passing from quiet to turbulent periods could generate significant changes on some calendar anomalies of the capital markets. This paper approaches the persistence in time on Bucharest Stock Exchange of a seasonality associated to winter days. We investigate this calendar effect for three...

The classical Friday the 13th Effect refers to a calendar anomaly of financial markets which is generated by the fear of bad luck shared by the superstitious investors. As a result of their behavior, the returns from the supposed unlucky day of Friday the 13th are significant lower than those...