Purpose – The aim of this paper is to examine the relationship between weather (temperature) and stock market returns … using daily data from Portugal; also, to examine whether the temperature is driven by calendar-related anomalies such as the … that temperature affects negatively the PSI20 stock returns in Portugal. Moreover, temperature is dependent of both January …

Purpose – The aim of this paper is to examine the relationship between weather (temperature) and stock market returns … using daily data from Portugal; also, to examine whether the temperature is driven by calendar‐related anomalies such as the … that temperature affects negatively the PSI20 stock returns in Portugal. Moreover, temperature is dependent of both January …

This paper examines the impact of the introduction of the futures market, on the volatility of the underlying … structure of the conditional volatility of the Portuguese stock market. The results for the Portuguese market are not identical … in the level of volatility. When a GARCH model is applied, with the main purpose of studying the evolution of the …

, while studying the relation between the herding behavior phenomenon and market profitability and volatility. The results …, asymmetrical and elevated volatility levels ensue, with a higher probability of profit than losses of the same magnitude. However …, results are less visible when one looks at the causality relation between herding and market volatility. This paper …