Search Results - "Wiese, Magnus"
-
1
Quant GANs: deep generation of financial time series
Published in Quantitative finance (01-09-2020)“…Modeling financial time series by stochastic processes is a challenging task and a central area of research in financial mathematics. As an alternative, we…”
Get full text
Journal Article -
2
Sig‐Wasserstein GANs for conditional time series generation
Published in Mathematical finance (01-04-2024)“…Abstract Generative adversarial networks (GANs) have been extremely successful in generating samples, from seemingly high‐dimensional probability measures…”
Get full text
Journal Article -
3
Risk-Neutral Market Simulation
Published 28-02-2022“…AAAI 2022 Workshop on AI in Financial Services: Adaptiveness, Resilience & Governance We develop a risk-neutral spot and equity option market simulator for a…”
Get full text
Journal Article -
4
Signature Trading: A Path-Dependent Extension of the Mean-Variance Framework with Exogenous Signals
Published 29-08-2023“…In this article we introduce a portfolio optimisation framework, in which the use of rough path signatures (Lyons, 1998) provides a novel method of…”
Get full text
Journal Article -
5
Sig-Splines: universal approximation and convex calibration of time series generative models
Published 19-07-2023“…We propose a novel generative model for multivariate discrete-time time series data. Drawing inspiration from the construction of neural spline flows, our…”
Get full text
Journal Article -
6
Copula & Marginal Flows: Disentangling the Marginal from its Joint
Published 07-07-2019“…Deep generative networks such as GANs and normalizing flows flourish in the context of high-dimensional tasks such as image generation. However, so far exact…”
Get full text
Journal Article -
7
Deep Hedging: Continuous Reinforcement Learning for Hedging of General Portfolios across Multiple Risk Aversions
Published 15-07-2022“…We present a method for finding optimal hedging policies for arbitrary initial portfolios and market states. We develop a novel actor-critic algorithm for…”
Get full text
Journal Article -
8
Multi-Asset Spot and Option Market Simulation
Published 13-12-2021“…We construct realistic spot and equity option market simulators for a single underlying on the basis of normalizing flows. We address the high-dimensionality…”
Get full text
Journal Article -
9
Sig-Wasserstein GANs for Time Series Generation
Published 01-11-2021“…Synthetic data is an emerging technology that can significantly accelerate the development and deployment of AI machine learning pipelines. In this work, we…”
Get full text
Journal Article -
10
Quant GANs: Deep Generation of Financial Time Series
Published 21-12-2019“…Quantitative Finance, 2020 Modeling financial time series by stochastic processes is a challenging task and a central area of research in financial…”
Get full text
Journal Article -
11
Deep Hedging: Learning to Simulate Equity Option Markets
Published 05-11-2019“…NeurIPS 2019 Workshop on Robust AI in Financial Services: Data, Fairness, Explainability, Trustworthiness, and Privacy We construct realistic equity option…”
Get full text
Journal Article -
12
Conditional Sig-Wasserstein GANs for Time Series Generation
Published 09-06-2020“…Generative adversarial networks (GANs) have been extremely successful in generating samples, from seemingly high dimensional probability measures. However,…”
Get full text
Journal Article