In this paper, we investigate both constant and time-varying hedge ratios in terms of the effectiveness of CSI300 index futures during the COVID-19 crisis. Using naïve, OLS and EC/ROLS strategies to estimate constant hedge ratios, results indicate that the CSI300 spot index presents decreased...

Utilising Chinese-developed data based on long-standing influenza indices and the more recently-developed coronavirus and face-mask indices, we set out to test for the presence of volatility spillovers from Chinese financial markets during the outbreak of the COVID-19 pandemic upon a broad...