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...

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...