Quantum computing for finance

Author(s)Herman, Dylan
Author(s)Googin, Cody
Author(s)Liu, Xiaoyuan
Author(s)Sun, Yue
Author(s)Galda, Alexey
Author(s)Safro, Ilya
Author(s)Pistoia, Marco
Author(s)Alexeev, Yuri
Date Accessioned2024-05-20T18:07:51Z
Date Available2024-05-20T18:07:51Z
Publication Date2023-07-11
DescriptionThis article was originally published in Nature Reviews Physics. The version of record is available at: https://doi.org/10.1038/s42254-023-00603-1. Copyright 2023 Springer Nature Limited All Rights Reserved. This article will be embargoed until January 11, 2024. This research was featured in UDaily on 3/11/2024 at: https://www.udel.edu/udaily/2024/march/quantum-computing-finance-ilya-safro-argonne/
AbstractQuantum computers are expected to surpass the computational capabilities of classical computers and have a transformative impact on numerous industry sectors. We present a comprehensive summary of the state of the art of quantum computing for financial applications, with particular emphasis on stochastic modelling, optimization and machine learning. This Review is aimed at physicists, so it outlines the classical techniques used by the financial industry and discusses the potential advantages and limitations of quantum techniques. Finally, we look at the challenges that physicists could help tackle. Key points - Quantum algorithms for stochastic modelling, optimization and machine learning are applicable to various financial problems. - Quantum Monte Carlo integration and gradient estimation can provide quadratic speedup over classical methods, but more work is required to reduce the amount of quantum resources for early fault-tolerant feasibility and achieving an actual speedup. - Financial optimization problems can be continuous (convex or non-convex), discrete or mixed, and thus quantum algorithms for these problems can be applied. - The advantages and challenges of quantum machine learning for classical problems are also apparent in finance.
SponsorThe authors appreciate support from the Chicago Quantum Exchange. Y.A. acknowledges support from the Office of Science, US Department of Energy, under contract DE-AC02-06CH11357 at Argonne National Laboratory. D.H., Y.S. and M.P. appreciate the insightful discussions they had with their colleagues from the Global Technology Applied Research centre at JPMC.
CitationHerman, D., Googin, C., Liu, X. et al. Quantum computing for finance. Nat Rev Phys 5, 450–465 (2023). https://doi.org/10.1038/s42254-023-00603-1
ISSN2522-5820
URLhttps://udspace.udel.edu/handle/19716/34417
Languageen_US
PublisherNature Reviews Physics
Keywordsapplied mathematics
Keywordscomputer science
Keywordsquantum information
TitleQuantum computing for finance
TypeArticle
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