Enhancing Predictive Accuracy through the Analysis of Banking Time Series: A Case Study from the Amman Stock Exchange

S. Al Wadi (), Omar Al Singlawi, Jamil J. Jaber, Mohammad H. Saleh and Ali A. Shehadeh
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S. Al Wadi: Department of Finance, Faculty of Business, The University of Jordan, Aqaba 77110, Jordan
Omar Al Singlawi: Department of Accounting, Faculty of Business, The University of Jordan, Aqaba 77110, Jordan
Jamil J. Jaber: Department of Finance, Faculty of Business, The University of Jordan, Aqaba 77110, Jordan
Mohammad H. Saleh: Department of Finance, Faculty of Business, The University of Jordan, Aqaba 77110, Jordan
Ali A. Shehadeh: Department of Finance, Faculty of Business, The University of Jordan, Aqaba 77110, Jordan

JRFM, 2024, vol. 17, issue 3, 1-13

Abstract: This empirical research endeavor seeks to enhance the accuracy of forecasting time series data in the banking sector by utilizing data from the Amman Stock Exchange (ASE). The study relied on daily closed price index data, spanning from October 2014 to December 2022, encompassing a total of 2048 observations. To attain statistically significant results, the research employs various mathematical techniques, including the non-linear spectral model, the maximum overlapping discrete wavelet transform (MODWT) based on the Coiflet function (C6), and the autoregressive integrated moving average (ARIMA) model. Notably, the study’s findings encompass the comprehensive explanation of all past events within the specified time frame, alongside the introduction of a novel forecasting model that amalgamates the most effective MODWT function (C6) with a tailored ARIMA model. Furthermore, this research underscores the effectiveness of MODWT in decomposing stock market data, particularly in identifying significant events characterized by high volatility, which thereby enhances forecasting accuracy. These results hold valuable implications for researchers and scientists across various domains, with a particular relevance to the fields of business and health sciences. The performance evaluation of the forecasting methodology is based on several mathematical criteria, including the mean absolute percentage error (MAPE), the mean absolute scaled error (MASE), and the root mean squared error (RMSE).

Keywords: MODWT’s functions; Coiflet function (C6); Amman Stock Exchange (ASE); forecasting (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2024
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