Research on the dependence of spot and future prices of EUA based on SV-Copula model

LIU Jian, LIAO Shufei, HUANG Yuying, YAN Lizhao

Systems Engineering - Theory & Practice ›› 2020, Vol. 40 ›› Issue (7) : 1694-1706.

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Systems Engineering - Theory & Practice ›› 2020, Vol. 40 ›› Issue (7) : 1694-1706. DOI: 10.12011/1000-6788-2019-2742-13

Research on the dependence of spot and future prices of EUA based on SV-Copula model

  • LIU Jian1, LIAO Shufei1, HUANG Yuying1, YAN Lizhao2
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Abstract

The dependence of spot and future prices of carbon allowances is of great importance to investors in hedging, speculation and arbitrage. In this paper, the stochastic volatility (SV) model is used to study the fluctuation characteristics of the spot and futures prices of European Union Allowances, and then the Copula function is used to analyze the dependence structure between them. The results show that carbon spot prices and future prices have significant fluctuation persistence and leverage effect during Phase II and Phase III of European Union Emissions Trading Scheme (EU ETS). During Phase III, the fluctuation risk of spot prices and future prices is greater than that during Phase II. Furthermore, there is a high degree of dependence between spot prices and future prices, and during Phase III the tail dependence is stronger. The tail dependence of the two phases is symmetric and thick.

Key words

European Union Allowances / spot / future / SV model / Copula function / dependence

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LIU Jian , LIAO Shufei , HUANG Yuying , YAN Lizhao. Research on the dependence of spot and future prices of EUA based on SV-Copula model. Systems Engineering - Theory & Practice, 2020, 40(7): 1694-1706 https://doi.org/10.12011/1000-6788-2019-2742-13

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Funding

National Natural Science Foundation of China (71871030, 71501069)
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