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....

Arbitrage is non-parametrically examined and empirically analyzed in US equity markets. Firstly, analyzed are the properties of arbitrage; and secondly, the factors explaining arbitrage are tested. Empirical analysis concerns a decade of intraday data of five US equity indices and is also...

Range-based volatility estimators are analyzed in both daily and intraday sampling frequency and are also compared to the realized volatility estimator. The family of realized range-based estimators is extended as three range-based estimators are introduced. These three realized Parkinson...