Our study is dedicated to the probabilistic representation and numerical approximation of solutions to coupled systems of variational inequalities. The dynamics of each component of the solution is driven by a different linear parabolic operator and suffers a non-linear dependence in all the...

This article is an empirical study dedicated to the GARCH Option pricing model of Duan (1995) applied to the FTSE 100 European style options for various maturities. We analyze the validity of the model given its ability to price one-day ahead out-of-sample call options and also its ability to...

The reversibility phenomenon in the repeat-sales index is a serious obstacle for derivatives products. This article provides a solution for this problem, using an informational reformulation of the RSI framework. We present first a theoretical formula (simple, easy to interpret, and easy to...