When analysing the volatility related to high frequency financial data, mostly non-parametric approaches based on realised or bipower variation are applied. This article instead starts from a continuous time diffusion model and derives a parametric analog at high frequency for it, allowing...

The seminal work of Fudenberg and Tirole [Preemption and Rent Equalization in the Adoption of New Technology, Rev. Econ. Stud., 1985] on how preemption erodes the value of an option to wait raises general questions about the relation between models in discrete and continuous time and thus about...

We divide hedging methods between single-period and multi-period. After reviewing some well-known hedging algorithms, two new procedures are introduced, called Dickey-Fuller Optimal (DFO), Mini-Max Subset Correlation (MMSC). The former is a multi-period, cointegration-based hedging method that...