Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins

This study analyzes the transmission of market uncertainty on key European financial markets and the cryptocurrency market over an extended period, encompassing the pre-, during, and post-pandemic periods. Daily financial market indices and price observations are used to assess the forecasting model...

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Main Author: Apostolos Ampountolas
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Forecasting
Subjects:
Online Access:https://www.mdpi.com/2571-9394/5/2/26
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author Apostolos Ampountolas
author_facet Apostolos Ampountolas
author_sort Apostolos Ampountolas
collection DOAJ
description This study analyzes the transmission of market uncertainty on key European financial markets and the cryptocurrency market over an extended period, encompassing the pre-, during, and post-pandemic periods. Daily financial market indices and price observations are used to assess the forecasting models. We compare statistical, machine learning, and deep learning forecasting models to evaluate the financial markets, such as the ARIMA, hybrid ETS-ANN, and <i>k</i>NN predictive models. The study results indicate that predicting financial market fluctuations is challenging, and the accuracy levels are generally low in several instances. ARIMA and hybrid ETS-ANN models perform better over extended periods compared to the <i>k</i>NN model, with ARIMA being the best-performing model in 2018–2021 and the hybrid ETS-ANN model being the best-performing model in most of the other subperiods. Still, the <i>k</i>NN model outperforms the others in several periods, depending on the observed accuracy measure. Researchers have advocated using parametric and non-parametric modeling combinations to generate better results. In this study, the results suggest that the hybrid ETS-ANN model is the best-performing model despite its moderate level of accuracy. Thus, the hybrid ETS-ANN model is a promising financial time series forecasting approach. The findings offer financial analysts an additional source that can provide valuable insights for investment decisions.
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spelling doaj.art-9a1e2338994342f69b3da43339375b4e2023-11-18T10:25:43ZengMDPI AGForecasting2571-93942023-06-015247248610.3390/forecast5020026Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and BitcoinsApostolos Ampountolas0School of Hospitality Administration, Boston University, Boston, MA 02215, USAThis study analyzes the transmission of market uncertainty on key European financial markets and the cryptocurrency market over an extended period, encompassing the pre-, during, and post-pandemic periods. Daily financial market indices and price observations are used to assess the forecasting models. We compare statistical, machine learning, and deep learning forecasting models to evaluate the financial markets, such as the ARIMA, hybrid ETS-ANN, and <i>k</i>NN predictive models. The study results indicate that predicting financial market fluctuations is challenging, and the accuracy levels are generally low in several instances. ARIMA and hybrid ETS-ANN models perform better over extended periods compared to the <i>k</i>NN model, with ARIMA being the best-performing model in 2018–2021 and the hybrid ETS-ANN model being the best-performing model in most of the other subperiods. Still, the <i>k</i>NN model outperforms the others in several periods, depending on the observed accuracy measure. Researchers have advocated using parametric and non-parametric modeling combinations to generate better results. In this study, the results suggest that the hybrid ETS-ANN model is the best-performing model despite its moderate level of accuracy. Thus, the hybrid ETS-ANN model is a promising financial time series forecasting approach. The findings offer financial analysts an additional source that can provide valuable insights for investment decisions.https://www.mdpi.com/2571-9394/5/2/26hybrid ETS-ANN modelARIMA model<i>k</i>NN modeltime series forecastingcombination forecastingEuropean financial stock markets
spellingShingle Apostolos Ampountolas
Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
Forecasting
hybrid ETS-ANN model
ARIMA model
<i>k</i>NN model
time series forecasting
combination forecasting
European financial stock markets
title Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
title_full Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
title_fullStr Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
title_full_unstemmed Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
title_short Comparative Analysis of Machine Learning, Hybrid, and Deep Learning Forecasting Models: Evidence from European Financial Markets and Bitcoins
title_sort comparative analysis of machine learning hybrid and deep learning forecasting models evidence from european financial markets and bitcoins
topic hybrid ETS-ANN model
ARIMA model
<i>k</i>NN model
time series forecasting
combination forecasting
European financial stock markets
url https://www.mdpi.com/2571-9394/5/2/26
work_keys_str_mv AT apostolosampountolas comparativeanalysisofmachinelearninghybridanddeeplearningforecastingmodelsevidencefromeuropeanfinancialmarketsandbitcoins