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Time series forecasting of stock market indices based on DLWR-LSTM model

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  • Yao, Dingjun
  • Yan, Kai

Abstract

Stock index forecasting is a hot research topic in the financial field. The traditional forecasting methods mostly use ARMA, ARIMA and GARCH to forecast the stock index. In recent years, many scholars have introduced machine learning such as SVM and RNN into the stock index forecasting model, but the accuracy of these forecasting results still needs to be improved. In this paper, by constructing DLWR-LSTM model, the trend of three indexes in Shanghai Stock Exchange is separated and predicted by layers to improve the accuracy of stock market index prediction, and the final prediction MAPE (average absolute percentage error) is close to 1 %. In this paper, different samples with different volatility but similar overall trend are replaced for experiments. The results show that the prediction accuracy of DLWR-LSTM model is not affected by the fluctuation of sample time series, and its final prediction result is maintained at around 1 % regardless of the variance of time series.

Suggested Citation

  • Yao, Dingjun & Yan, Kai, 2024. "Time series forecasting of stock market indices based on DLWR-LSTM model," Finance Research Letters, Elsevier, vol. 68(C).
    • Handle: RePEc:eee:finlet:v:68:y:2024:i:c:s1544612324008511
    DOI: 10.1016/j.frl.2024.105821
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