volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main … nonlinear volatility models (symmetric and asymmetric Generalized AutoRegressive Conditional Heteroskedasticity [GARCH …]-type models) were used to model and estimate BIST-100 volatility in response to political news. The findings of the paper …

In this paper, the role of the reference-dependent preference in the relationship between idiosyncratic volatility and … a reference point for a definition of the loss and gains domain. As a consequence, the negative idiosyncratic volatility … domain, suggesting the important role of the reference-dependent preference in the idiosyncratic volatility puzzle …

The prevailing view of implied volatility comovements, IVC, defined as the correlation between a firm's implied … volatility and the market's implied volatility, is that they indicate the presence of systematic volatility risk to the firm …'s investors. We take a different stance and conjecture that implied volatility comovements can also indicate expected information …

This paper aims to examine the relation between idiosyncratic volatility (IVOL) and stock returns with full-sample and …

The oil price volatility index (OPVI) is a direct and more accurate measure of oil price uncertainty. The significance … of the crude oil prices volatility index is used in this paper to examine the effects of crude oil uncertainty on the … (−) fluctuations of the crude oil price volatility index (OPVI). Moreover, the paper measure whether the reform of 2012 stimulated the …

demonstrate that geopolitical risk plays an important role in determining both oil price volatility and (to a lesser extent) stock … market volatility. An increase in geopolitical risk is associated with positive (negative) oil (stock) returns and is … correlation. This model shows short- and long-term volatility persistence for oil and stock prices, together with spillover …