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Article

Portfolio Optimization-Based Stock Prediction Using Long-Short Term Memory Network in Quantitative Trading

Department of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 106, Taiwan
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Appl. Sci. 2020, 10(2), 437; https://doi.org/10.3390/app10020437
Received: 1 December 2019 / Revised: 30 December 2019 / Accepted: 4 January 2020 / Published: 7 January 2020
In quantitative trading, stock prediction plays an important role in developing an effective trading strategy to achieve a substantial return. Prediction outcomes also are the prerequisites for active portfolio construction and optimization. However, the stock prediction is a challenging task because of the diversified factors involved such as uncertainty and instability. Most of the previous research focuses on analyzing financial historical data based on statistical techniques, which is known as a type of time series analysis with limited achievements. Recently, deep learning techniques, specifically recurrent neural network (RNN), has been designed to work with sequence prediction. In this paper, a long short-term memory (LSTM) network, which is a special kind of RNN, is proposed to predict stock movement based on historical data. In order to construct an efficient portfolio, multiple portfolio optimization techniques, including equal-weighted modeling (EQ), simulation modeling Monte Carlo simulation (MCS), and optimization modeling mean variant optimization (MVO), are used to improve the portfolio performance. The results showed that our proposed LSTM prediction model works efficiently by obtaining high accuracy from stock prediction. The constructed portfolios based on the LSTM prediction model outperformed other constructed portfolios-based prediction models such as linear regression and support vector machine. In addition, optimization techniques showed a significant improvement in the return and Sharpe ratio of the constructed portfolios. Furthermore, our constructed portfolios beat the benchmark Standard and Poor 500 (S&P 500) index in both active returns and Sharpe ratios. View Full-Text
Keywords: stock prediction; LSTM; portfolio optimization; quantitative trading stock prediction; LSTM; portfolio optimization; quantitative trading
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MDPI and ACS Style

Ta, V.-D.; Liu, C.-M.; Tadesse, D.A. Portfolio Optimization-Based Stock Prediction Using Long-Short Term Memory Network in Quantitative Trading. Appl. Sci. 2020, 10, 437. https://doi.org/10.3390/app10020437

AMA Style

Ta V-D, Liu C-M, Tadesse DA. Portfolio Optimization-Based Stock Prediction Using Long-Short Term Memory Network in Quantitative Trading. Applied Sciences. 2020; 10(2):437. https://doi.org/10.3390/app10020437

Chicago/Turabian Style

Ta, Van-Dai, CHUAN-MING Liu, and Direselign Addis Tadesse. 2020. "Portfolio Optimization-Based Stock Prediction Using Long-Short Term Memory Network in Quantitative Trading" Applied Sciences 10, no. 2: 437. https://doi.org/10.3390/app10020437

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