We examine the performance of volatility models that incorporate features such as long (short) memory, regime-switching and multifractality along with two competing distributional assumptions of the error component, i.e. Normal vs Student-t. Our precise contribution is twofold. First, we...

The primary objective of the study is to examine the impact of political news (good and bad news) on the returns and volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main sample was divided into two subperiods to insulate the...

Through this research, we find that the asymmetric volatility phenomenon is reversed in the Shanghai Stock Exchange during bull markets. That is, volatility increases more with good news than with bad news. This evidence is inconsistent with the US markets. Further examination of this phenomenon...

The financial markets stylized facts, volatility and its relationship with returns tested empirically in Tehran Stock Exchange (TSE). ARMA- ARCH type models including two symmetric conditional hetroscedastic models; ARMA (1, 1) - ARCH (1) and ARMA (1, 1) - GARCH (1, 1) and two asymmetric...

Through globalization and financial market liberalization, the opening up of markets has increased cross-border investments as investors search for higher risk-adjusted returns. This ability to invest internationally has raised the attention given to emerging markets that offer higher...

The study examines returns spillover, shock, and volatility transmission between Nigeria and selected global stock markets over the period January 2000 to August 2021 using a diagonal BEKK-AMGARCH model. Results show that the Nigerian stock market exhibits characteristics of inefficiency, as...

The efficient market research to date has focused mostly on the developed stock markets. To be efficient the market needs to be large and liquid, transaction costs should be cheaper than the expected investment strategy profits and Macedonian capital market as a developing market is...

This paper examines the interrelation between short selling and volatility as differing from previous research in that it focuses on intraday activities, rather than the daily price movements. We demonstrate that the effects of short selling activity change during the two sessions of the day and...

Alternative strategies for predicting stock market volatility are examined. In out-of-sample forecasting experiments implied-volatility information, derived from contemporaneously observed option prices or history-based volatility predictors, such as GARCH models, are investigated, to determine...

The paper tests the CAPM for the Brazilian stock market using dynamic betas. The sample involves 28 stocks included in the Ibovespa portfolio as of March 21, 2012 and that were traded during the period from Jan. 01, 1995 to March 20, 2012. Dynamic betas were estimated and conditional betas...