In this paper I test for and model volatility jumps for the General Index (GD) of the Athens Stock Exchange (ASE), expanding the previous literature on the ASE in various ways. Using intraday data I first construct various state-of-the-art realized volatility estimators which I then use in...

We test for and model volatility jumps for three major indices of the Athens Stock Exchange (ASE).Using intraday data we rst construct several, state-of-the-art realized volatility estimators. We use these estimators to construct the jump components of volatility and perform various tests on...

We examine the impact of international monetary policy and professionals' announcements on WTI crude oil futures. The methodology is an event and case study. The event study refers to an analysis of each category of events, while the case study refers to the selection of a particular time...

We examine the impact of economic news releases on returns, volatility and jumps of the stock and foreign exchange markets of South Africa. We also assess the impact of macroeconomic determinants. The dataset range is fifteen years covering the period from January, 2000 to December, 2014....

This paper evaluates the effect of all European economic news releases to the US financial markets, for the main crisis period from June 2007 up to October 2011. Evaluation concerns Sharpe ratios, as well as magnitude and frequency of volatility jumps for the periods before and after a news...

In this paper, we study the impact of Greek government-debt crisis events on European financial markets during the European sovereign debt crisis. We examine the effect of three categories of Greek government-debt crisis events in realized correlation and correlation jumps of government bonds,...