Buch, Robert; Grimm, Stefanie; Korn, Ralf; Richert, Ivo - In: Risks : open access journal 11 (2023) 5, pp. 1-26
Estimation of the value-at-risk (VaR) of a large portfolio of assets is an important task for financial institutions. As the joint log-returns of asset prices can often be projected to a latent space of a much smaller dimension, the use of a variational autoencoder (VAE) for estimating the VaR...