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Forecasting Apple Stock Closed Prices by LR and LSTM with Discrete Wavelet Transformation

In: Proceedings of the 2022 2nd International Conference on Economic Development and Business Culture (ICEDBC 2022)

Author

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  • Yuxin Yang

    (Woodsworth College, University of Toronto)

Abstract

ABSTRACT Stock prediction has long had a high profile among investors under the incentives of profit maximization. However, as a result of the instability and chaos of the financial stock market, predicting stock prices is challenging. To address this problem, the discrete wavelet transformation (DWT) is applied to denoise stock prices when data preprocessing. Long short-term memory (LSTM) and linear regression model (LR) are chosen to train the model. The performances of LR, LSTM, the combination of DWT and LR and the combination of DWT and LSTM are demonstrated and compared when predicting the Apple stock closed prices by using its rescaled closed price five days ago. The prediction results proved the effectiveness of DWT and illustrated LR still acts well although it is much simpler compared with LSTM in terms of RMSE, MAE, MAPE. These model- based analytic strategies and pre-programmed stock price prediction are likely to give precious guidance to investors in the pursuit of maximum benefits.

Suggested Citation

  • Yuxin Yang, 2022. "Forecasting Apple Stock Closed Prices by LR and LSTM with Discrete Wavelet Transformation," Advances in Economics, Business and Management Research, in: Yushi Jiang & Yuriy Shvets & Hrushikesh Mallick (ed.), Proceedings of the 2022 2nd International Conference on Economic Development and Business Culture (ICEDBC 2022), pages 935-943, Springer.
    • Handle: RePEc:spr:advbcp:978-94-6463-036-7_138
    DOI: 10.2991/978-94-6463-036-7_138
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