International Information Spillovers and Asymmetric Volatility in South Asian Stock Markets

Asymmetric Conditional Volatility in International Stock Markets

Recent studies show that a negative shock in stock prices will generate more volatility than a positive shock of similar magnitude. The aim of this paper is to appraise the hypothesis under which the conditional mean and the conditional variance of stock returns are asymmetric functions of past information. We compare the results for the Portuguese Stock Market Index PSI 20 with six other Stock...

International Portfolio Diversification at Industry Level within South-East Asian Stock Markets

The issue of financial integration, at the country level, is a well-documented phenomenon in the area of International Portfolio Diversification (IPD). Despite the increasing degree of financial integration, it is important to investigate the global integration at industry level to capture the potential benefits of IPD. Thus, this study attempts to evaluate the potential advantages of IPD for i...

Stock Markets Volatility and International Diversification

During the last decades, the financial markets volatility concept attracted the attention of the theorists and the experts in the field of finance, especially for the internationally diversified wallets. In this article, we used an asymmetric dynamic conditional correlation (DCC-GARCH (1.1)) model following the approach of Engle (2002), to test if the volatility of individual market or their re...

Herding, Information Cascades and Volatility Spillovers in Futures Markets

Stock Index Futures Trading and Volatility in International Equity Markets

We examine stock market volatility before and after the introduction of equity index futures trading in twenty-five countries, using various models that account for asynchronous data, conditional heteroskedasticity, asymmetric volatility responses, and the joint dynamics of each country’s index with the world market portfolio. We find that futures trading is related to an increase in conditiona...