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Multi-agent reinforcement learning approach for hedging portfolio problem.

Authors
  • Pham, Uyen1
  • Luu, Quoc2
  • Tran, Hien3
  • 1 Economic Mathematics, University of Economics and Law, Ho Chi Minh City, Vietnam.
  • 2 Quantitative and Computational Finance, John von Neumann Institute, Ho Chi Minh City, Vietnam.
  • 3 School of Engineering, Tan Tao University, Long An, Vietnam.
Type
Published Article
Journal
Soft computing
Publication Date
Apr 19, 2021
Pages
1–9
Identifiers
DOI: 10.1007/s00500-021-05801-6
PMID: 33897298
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Developing a hedging strategy to reduce risk of losses for a given set of stocks in a portfolio is a difficult task due to cost of the hedge. In Vietnam stock market, cross-hedge is involved hedging a long position of a stock because there is no put option for the stock. In addition, only VN30 stock index futures contracts are traded on Hanoi Stock Exchange. Inspired by recently achievement of deep reinforcement learning, we explore feasibility to construct a hedging strategy automatically by leveraging cooperative multi-agent in reinforcement learning techniques without advanced domain knowledge. In this work, we use 10 popular stocks on Ho Chi Minh Stock Exchange, and VN30F1M (VN30 Index Futures contracts within one month settlement) to develop a stock market simulator (including transaction fee, tax, and settlement date of transactions) for reinforcement learning agent training. We use daily return as input data for training process. Results suggest that the agent can learn trading and hedging policy to make profit and reduce losses. Furthermore, we also find that our agent can protect portfolios and make positive profit in case market collapses systematically. In practice, this work can help Vietnam's stock market investors to improve performance and reduce losses in trading, especially when the volatility cannot be controlled. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021.

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