Pairs Trading Strategy Optimization Using Proximal Policy Optimization Algorithms

Yi Feng Chen*, Wen-Yueh Shih, Hsu Chao Lai, Hao Chun Chang, Jiun Long Huang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Pairs trading is a market-neutral quantitative trading strategy which exploits historically correlated stock prices by forming pairs with weighted long and short positions. A pair of opened offsetting positions can profit regardless of positive or negative price trend. Positions are opened when the spread exceeds the trading boundary, and closed when the spread reverts back to the historical mean. In this paper, we adopt proximal policy optimization, which is a deep reinforcement learning algorithm, to determine the trading boundaries as well as stop loss boundaries for maximizing the profit in pairs trading. Besides, we propose to utilize a demonstration butter to pre-train the model for better training efficacy. The experimental results manifest that the proposed method outperforms state-of-the-art strategies in terms of investment return and investment risk in both the Taiwan stock market and the United States stock market.

Original languageEnglish
Title of host publicationProceedings - 2023 IEEE International Conference on Big Data and Smart Computing, BigComp 2023
EditorsHyeran Byun, Beng Chin Ooi, Katsumi Tanaka, Sang-Won Lee, Zhixu Li, Akiyo Nadamoto, Giltae Song, Young-guk Ha, Kazutoshi Sumiya, Wu Yuncheng, Hyuk-Yoon Kwon, Takehiro Yamamoto
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages40-47
Number of pages8
ISBN (Electronic)9781665475785
DOIs
StatePublished - 2023
Event2023 IEEE International Conference on Big Data and Smart Computing, BigComp 2023 - Jeju, Korea, Republic of
Duration: 13 Feb 202316 Feb 2023

Publication series

NameProceedings - 2023 IEEE International Conference on Big Data and Smart Computing, BigComp 2023

Conference

Conference2023 IEEE International Conference on Big Data and Smart Computing, BigComp 2023
Country/TerritoryKorea, Republic of
CityJeju
Period13/02/2316/02/23

Keywords

  • Deep reinforcement learning
  • pairs trading
  • proximal policy optimization
  • quantitative trading

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