Working in a single-factor Markovian setting, this article derives a new, static spanning relation between a given option and a continuum of shorter-term options written on the same asset. Compared to dynamic delta hedge, which breaks down in the presence of large random jumps, the static hedge...

We propose a dynamically consistent framework that allows joint valuation and estimation of stock options and credit default swaps written on the same reference company. We model default as controlled by a Cox process with a stochastic arrival rate. When default occurs, the stock price drops to...

We propose a dynamic econometric microstructure model of trading, and we investigate how the dynamics of trades and trade composition interact with the evolution of market liquidity, market depth, and order flow. We estimate a bivariate generalized autoregressive intensity process for the...