Monthly seasonality in the stock prices returns is among the best known calendar anomalies that affect the capital markets. The knowledge about such calendar patterns could be exploited in building successful investment strategies. However, it was revealed that not all the calendar anomalies...

Romanian Abstract: Unele anomalii calendaristice care au fost detectate pe pieţele de acţiuni pot fi, de asemenea, descoperite şi pe pieţele valutare. Această lucrare abordează prezenţa Efectului Turn-of-the-Year în randamentele logaritmice ale valorilor zilnice ale ratei de schimb...

Romanian Abstract: Această lucrare abordează câteva metode simple de identificare a anomaliilor calendaristice. Luând ca exemplu Efectul TOY, vom arăta cum pot fi aplicate testele t sau regresiile OLS pentru a detecta o componentă sezonieră a evoluţiei randamentelor activelor financiare

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...

Very often, the holiday effects are studied only for the first day before and for the first day after any public holiday. Beside these traditional forms of the holiday effects it was revealed an extended one, which refers to the abnormal stocks returns occurring in intervals, containing some...

Romanian Abstract: Această lucrare abordează unele dintre principalele caracteristici ale anomaliilor calendaristice precum cauzele acestora, persistenţa lor în timp sau posibilităţile de a le utiliza in elaborarea strategiilor de investiţii. Sunt prezentate, totodată, câteva dintre...

This paper approaches the possibilities of building investment strategies based on the calendar anomaly known as Friday the 13th effect. In this investigation we employ, for the period January 2010-August 2018, the closing values of three indexes from the United States capital market. We found...

This paper examines the presence of the turn-of-the-year effects on the Romanian capital market. We use the daily closing values of some important indexes of the Bucharest Stock Exchange for the period January 2000 – August 2017. In order to reveal the impact of a turbulent context on 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...

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...