Can a short-squeeze incident trigger financial contagion over the entire stock markets? The recent GameStop frenzy provides a unique natural experiment to explore this question. In this study, we examine the static and dynamic return and volatility connectedness among the GameStop stock, the...

Due to arbitrage risk asymmetries, the relationship between idiosyncratic risk and expected returns is positive (negative) among overpriced (underpriced) stocks. We offer a new active anomaly-selection strategy that capitalizes on this effect. To this end, we consider eleven equity anomalies in...

In this paper, I test the performance of the CAPM, Fama-French three-factor and Carhart four-factor models on the Polish market. I use stock level data from April 2001 to January 2014. I find strong evidence for the value and momentum effects, but only weak evidence for the size premium. I form...

Recent empirical evidence has shown that the relationship between idiosyncratic volatility and a stock's expected return depends on the pricing of the stock: it is negative among overvalued stocks and positive among undervalued ones. We provide both theoretical and numerical evidence that this...

This paper examines the impact vaccination programs have on the stock market volatility of the travel and leisure sector. Using daily data from 56 countries over the period from January 2020 to March 2021, we find that vaccination leads to a decrease in the investment risk of travel and leisure...

We test the interaction between COVID-19 governments' interventions, COVID-19- induced uncertainty, and the volatility of sovereign bonds. Using a panel-quantile approach and a comprehensive dataset of 31 countries worldwide, we document that containment and closure policies tend to amplify...

We estimate the relative signal jump variance (RSJV) as the difference between the realized positive half-variance and negative half-variance divided by the realized variance using high-frequency intraday data and investigate its role in the cross-sectional pricing in the Chinese stock market....

The COVID-19 pandemic has exerted a remarkable impact on stock market volatility around the globe. Can vaccination programs revert these adverse effects? To answer this question, we scrutinize daily data from 66 countries from January 1st, 2020, to February 18th, 2021. We provide convincing...