Department(s)

Natural Science; Graziadio Business School

Document Type

Article

Version Deposited

Published version

Publication Date

5-20-2025

Keywords

volatility forecasting; risk management; deep learning; time series analysis; GARCH; LSTM; transformer

Abstract

Volatility forecasting for financial institutions plays a pivotal role across a wide range of domains, such as risk management, option pricing, and market making. For instance, banks can incorporate volatility forecasts into stress testing frameworks to ensure they are holding sufficient capital during extreme market conditions. However, volatility forecasting is challenging because volatility can only be estimated, and different factors influence volatility, ranging from macroeconomic indicators to investor sentiments. While recent works show promising advances in machine learning and artificial intelligence for volatility forecasting, a comprehensive assessment of current statistical and learning-based methods is lacking. Thus, this paper aims to provide a comprehensive survey of the historical evolution of volatility forecasting with a comparative benchmark of key landmark models, such as implied volatility, GARCH, LSTM, and Transformer. We open-source our benchmark code to further research in learning-based methods for volatility forecasting.

Publication Title

Risks

DOI

doi.org/10.3390/risks13050098

Comments

Access publication at this link: https://doi.org/10.3390/risks13050098

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