Dependence structure of the commodity and stock markets, and relevant multi-spread strategy

Min Jae Kim, Sehyun Kim, Yong Hwan Jo and Soo Yong Kim

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 21, 3842-3854

Abstract: Understanding the dependence structure between the commodity and stock markets is a crucial issue in constructing a portfolio. It can also help us to discover new opportunities to implement spread trading using multiple assets classified in the two different markets. This study analyzed the dependence structure of the commodity and stock markets using the random matrix theory technique and network analysis. Our results show that the stock and commodity markets must be handled as completely separated asset classes except for the oil and gold markets, so the performance enhancement of the mean-variance portfolio is significant as expected. In light of the fact that WTI 1 month futures and four oil-related stocks are strongly correlated, they were selected as basic ingredients to complement the multi-spread convergence trading strategy using a machine learning technique called the AdaBoost algorithm. The performance of this strategy for non-myopic investors, who can endure short-term loss, can be enhanced significantly on a risk measurement basis.

Keywords: Commodity; Random matrix theory; Network analysis; Multi-spread trading; AdaBoost algorithm (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:21:p:3842-3854

DOI: 10.1016/j.physa.2011.06.037

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