This paper investigates why the forward premium predicts the future depreciation with the "wrong" sign and why the unobserved deviation from rational uncovered interest parity is negatively correlated with and is more volatile than the rationally expected depreciation. We examine the ability of...

The increasing availability of financial market data at intraday frequencies has not only led to the development of improved ex-post volatility measurements but has also inspired research into their potential value as an informa-tion source for longer horizon volatility forecasts. In this paper...

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...