This study introduces a novel index based on expectations concordance for explaining stock-price volatility when novel … market volatility. Lower expectations concordance produces a stabilizing effect wherein the offsetting views reduce market … volatility. The empirical findings hold for ex post and ex ante measures of volatility and for OLS and GARCH estimates. …

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 …

Volatility clustering and asymmetry are considered as an essential element in time series data analysis for portfolio … managers. This study is conducted to analyze the volatility clustering and asymmetry occurrence by employing different GARCH … findings of the study show that volatility clustering increases the asymmetric comportment of daily stock market returns. We …