contribution to overall realized variation and their contribution to predictive regressions of realized volatility. We find … individual stocks. -- Itô semi-martingale ; realized volatility ; jumps ; quadratic volatility ; multipower variation ; tripower …

in both the frontier stock market and the FX market: a low-volatility and a high-volatility regime. In contrast with … emerging markets characterised by “high volatility/low return”, frontier stock markets provide high (positive) returns in the … high-volatility regime. The high-volatility regime is less persistent than the low-volatility regime, contrary to …

- and second-moment exchange rate exposure on individual firm value and the stock return volatility underlying exchange rate … equity financing cost. -- exchange rate exposure ; asymmetric currency exposure ; financial crises ; asymmetric volatility …

The sum of squared intraday returns provides an unbiased and almost error-free measure of ex-post volatility. In this … paper we develop a nonlinear Autoregressive Fractionally Integrated Moving Average (ARFIMA) model for realized volatility …, which accommodates level shifts, day-of-the-week effects, leverage effects and volatility level effects. Applying the model …

market information can be used to improve realized volatility forecasts in a large cross-section of international equity … markets. We use volatility data for the U.S. and 17 foreign equity markets from the Oxford Man Institute's realized library … and augment for each foreign equity market our benchmark HAR model with U.S. equity market volatility information. We show …