Portfolios with return and volatility prediction for the energy stock market

Yilin Ma, Yudong Wang, Weizhong Wang and Chong Zhang

Energy, 2023, vol. 270, issue C

Abstract: Energy portfolios have important applications in many aspects of the energy market. This paper commonly integrates return and volatility prediction to advance portfolio models for the sake of building more efficient energy portfolios. In this regard, the extreme gradient boosting regression tree is applied to predict energy returns and volatilities, respectively. And six classical portfolio models are utilized to test the efficiency of this approach. Also, since these advanced portfolios own multiple objectives, this paper introduces prediction-based weights to transform these objectives. In addition, the component stocks of the CSI energy index are adopted for empirical tests. Empirical results show that commonly using return and volatility prediction to advance portfolio models significantly increases the performance of these models advanced only by return prediction. And prediction-based weights generally perform better than equal weights in transforming the multiple objectives of these advanced portfolios. Among these portfolios, the CVaR-F-PW portfolio performs the best. Robust tests show that 90% is the optimal confidence level for this portfolio. Therefore, the CVaR-F-PW portfolio is recommended for portfolio management in the energy stock market, and this portfolio is also useful to energy structure optimization, energy efficiency enhancement, and other applications in energy market.

Keywords: Portfolio models; Return prediction; Volatility prediction; Energy stock market (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:270:y:2023:i:c:s0360544223003523

DOI: 10.1016/j.energy.2023.126958

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