Analytical valuation of vulnerable European and Asian options in intensity-based models

X Wang - Journal of Computational and Applied Mathematics, 2021 - Elsevier
In this paper, we investigate European and Asian options with default risk in an intensity-
based model. By breaking down the risk into idiosyncratic and systematic components, we …

Affine multivariate GARCH models

M Escobar-Anel, J Rastegari, L Stentoft - Journal of Banking & Finance, 2020 - Elsevier
This paper introduces a class of Affine multivariate GARCH models. Our setting offers
flexibility to accommodate stylized facts of asset returns like dynamic conditional correlation …

Covariance dependent kernels, a Q-affine GARCH for multi-asset option pricing

M Escobar-Anel, J Rastegari, L Stentoft - International Review of Financial …, 2023 - Elsevier
This paper introduces a class of multivariate GARCH models that extends the existing
literature by explicitly modeling correlation dependent pricing kernels. A large subclass …

Simulated Greeks for American Options

P Letourneau, L Stentoft - Quantitative Finance, 2023 - Taylor & Francis
This paper develops a method to estimate price sensitivities, so-called Greeks, for American
style options using flexible simulation methods combined with initially dispersed state …