Rogers-Satchell (RS) measure is an efficient volatility measure. This paper proposes quantile RS (QRS) measure to … on Standard and Poor 500 and Dow Jones Industrial Average indices show that volatility estimates using QRS measures …-of-sample forecast. For return models, the constant mean structure with Student-t errors and QRS volatility estimates provides the best …

volatility estimation is considered. The empirical analysis is performed on futures contracts of both the Standard and Poors 500 … importance of taking asymmetric effects (leverage effects) into account in volatility forecasts when it comes to risk management …

Volatility is an important component of asset pricing; an increase in volatility on markets can trigger changes in the … hypothesized that there are movements in risk that are driven by volatility linked to sentiment-driven noise trader activity whose … investor sentiment and stock return volatility which shows that behavioural finance can significantly explain the behaviour of …

existing research consists of estimating the aforementioned relationship between return, volatility and the search volume …

Taiwan provides an interesting case study of the impact of short selling bans on stock returns volatility in a time series … volatility. The only qualifier is that the impact of short sale bans is a feature of the expansionary phase of business cycles …

Taiwan provides an interesting case study of the impact of short selling bans on stock returns volatility in a time series … volatility. The only qualifier is that the impact of short sale bans is a feature of the expansionary phase of business cycles …

The news impact curve of EGARCH captures the asymmetric impact of negative news on volatility. It also captures the …