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A novel granular decomposition based predictive modeling framework for cryptocurrencies' prices forecasting

Indranil Ghosh (IT and Analytics Area, Institute of Management Technology, Hyderabad, India)
Rabin K. Jana (Operations and Quantitative Methods Area, Indian Institute of Management, Raipur, India)
Dinesh K. Sharma (Department of Business, Management and Accounting, University of Maryland Eastern Shore, Princess Anne, Maryland, USA)

China Finance Review International

ISSN: 2044-1398

Article publication date: 8 January 2024

105

Abstract

Purpose

Owing to highly volatile and chaotic external events, predicting future movements of cryptocurrencies is a challenging task. This paper advances a granular hybrid predictive modeling framework for predicting the future figures of Bitcoin (BTC), Litecoin (LTC), Ethereum (ETH), Stellar (XLM) and Tether (USDT) during normal and pandemic regimes.

Design/methodology/approach

Initially, the major temporal characteristics of the price series are examined. In the second stage, ensemble empirical mode decomposition (EEMD) and maximal overlap discrete wavelet transformation (MODWT) are used to decompose the original time series into two distinct sets of granular subseries. In the third stage, long- and short-term memory network (LSTM) and extreme gradient boosting (XGB) are applied to the decomposed subseries to estimate the initial forecasts. Lastly, sequential quadratic programming (SQP) is used to fetch the forecast by combining the initial forecasts.

Findings

Rigorous performance assessment and the outcome of the Diebold-Mariano’s pairwise statistical test demonstrate the efficacy of the suggested predictive framework. The framework yields commendable predictive performance during the COVID-19 pandemic timeline explicitly as well. Future trends of BTC and ETH are found to be relatively easier to predict, while USDT is relatively difficult to predict.

Originality/value

The robustness of the proposed framework can be leveraged for practical trading and managing investment in crypto market. Empirical properties of the temporal dynamics of chosen cryptocurrencies provide deeper insights.

Keywords

Citation

Ghosh, I., Jana, R.K. and Sharma, D.K. (2024), "A novel granular decomposition based predictive modeling framework for cryptocurrencies' prices forecasting", China Finance Review International, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/CFRI-03-2023-0072

Publisher

:

Emerald Publishing Limited

Copyright © 2023, Emerald Publishing Limited

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