Stock Portfolio Management by Using Fuzzy Ensemble Deep Reinforcement Learning Algorithm

Zheng Hao, Haowei Zhang and Yipu Zhang ()
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Zheng Hao: Mathematics Department, State University of New York at Oswego, Oswego, NY 13126, USA
Haowei Zhang: School of Energy and Electrical Engineering, Chang’an University, Xi’an 710064, China
Yipu Zhang: School of Energy and Electrical Engineering, Chang’an University, Xi’an 710064, China

JRFM, 2023, vol. 16, issue 3, 1-14

Abstract: The research objective of this article is to train a computer (agent) with market information data so it can learn trading strategies and beat the market index in stock trading without having to make any prediction on market moves. The approach assumes no trading knowledge, so the agent will only learn from conducting trading with historical data. In this work, we address this task by considering Reinforcement Learning (RL) algorithms for stock portfolio management. We first generate a three-dimension fuzzy vector to describe the current trend for each stock. Then the fuzzy terms, along with other stock market features, such as prices, volumes, and technical indicators, were used as the input for five algorithms, including Advantage Actor-Critic, Trust Region Policy Optimization, Proximal Policy Optimization, Actor-Critic Using Kronecker Factored Trust Region, and Deep Deterministic Policy Gradient. An average ensemble method was applied to obtain trading actions. We set SP100 component stocks as the portfolio pool and used 11 years of daily data to train the model and simulate the trading. Our method demonstrated better performance than the two benchmark methods and each individual algorithm without fuzzy extension. In practice, real market traders could use the trained model to make inferences and conduct trading, then retrain the model once in a while since training such models is time0consuming but making inferences is nearly simultaneous.

Keywords: stock portfolio management; reinforcement learning; deep learning; fuzzy set; ensemble (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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