High-frequency stock return prediction using state-of-the-art deep learning models

Sichong Chen ()
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Sichong Chen: Telfer School of Management, University of Ottawa, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada

International Journal of Financial Engineering (IJFE), 2023, vol. 10, issue 03, 1-19

Abstract: Determining stock price movements is a challenging problem because stock prices are often influenced by multiple factors such as economic, political, business, and human behavior. In this paper, we will attempt different modeling methods for two types of data, a total of 40 Dow Jones Industrial Index components, to verify the effectiveness of daily and high-frequency data for stock price prediction. Furthermore, we will attempt to validate the performance of LSTM model in stock price prediction, and also try to improve its performance by incorporating an attention mechanism. We assume that adding an attention layer to LSTM model would improve model performance in our data sets, especially in high-frequency data, since the data set would contain a huge amount of noise. Our results indicate that the simple LSTM performs better than the attention-based LSTM for both data types of prediction tasks with a benchmark of the number of stock prediction outcomes that outperform the number of those in other model, which is 24 out 40 stocks, which refutes our initial assumptions and does not validate whether adding attention mechanism is useful for solving the shallow layers and gradient vanishing problem and thus improving the LSTM model performance.

Keywords: High-frequency financial data; stock price forecasting; long short-term memory; attention mechanism (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S2424786323500238

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