Quantifying Credit Portfolio sensitivity to asset correlations with interpretable generative neural networks

Sergio Caprioli, Emanuele Cagliero and Riccardo Crupi

Papers from arXiv.org

Abstract: In this research, we propose a novel approach for the quantification of credit portfolio Value-at-Risk (VaR) sensitivity to asset correlations with the use of synthetic financial correlation matrices generated with deep learning models. In previous work Generative Adversarial Networks (GANs) were employed to demonstrate the generation of plausible correlation matrices, that capture the essential characteristics observed in empirical correlation matrices estimated on asset returns. Instead of GANs, we employ Variational Autoencoders (VAE) to achieve a more interpretable latent space representation. Through our analysis, we reveal that the VAE latent space can be a useful tool to capture the crucial factors impacting portfolio diversification, particularly in relation to credit portfolio sensitivity to asset correlations changes.

Date: 2023-09, Revised 2023-11
New Economics Papers: this item is included in nep-big and nep-cmp
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