-sectional econometric techniques to analyze the risk-return relationship implied by the CAPM, using data that span over 5 years and 220 … only determinant of risk in the South African stock market. We also found positive beta-idiosyncratic volatility (IVOL …

growing importance of emerging markets, the literature on the nature of volatility in global markets is typified by … volatility in developed G7 and emerging BRICS markets. Broad market index data and GARCH models over the period 2003 …:01–2020:08 were employed. The study found evidence of volatility persistence, asymmetry, mean reversion and weak evidence of a risk …

This study investigated how stock market volatility responded dynamically to unexpected changes during the COVID-19 … pandemic and the resulting uncertainty in Thailand. Using a multivariate GARCH-BEKK model, the conditional volatility dynamics …, the interlinkages, and the conditional correlations between stock market volatility and the increasing rate of COVID-19 …

This study aims to investigate the dynamic conditional correlation and volatility spillover between the conventional …) approaches to investigate dynamic conditional correlation and volatility spillover between conventional and Islamic stock markets … for a specific time horizon and present time-varying volatility and dynamic conditional correlation, while volatility …

We studied (i) the volatility feedback effect, defined as the relationship between contemporaneous returns and the … market-based volatility, and (ii) the leverage effect, defined as the relationship between lagged returns and the current … market-based volatility. For our analysis, we used daily measures of volatility estimated from high frequency data to explain …