
Options introduction and volatility in the EU ETS
Chevallier, Julien; Le Pen, Yannick; Sévi, Benoît (2009), Options introduction and volatility in the EU ETS, 32nd IAEE International Conference, 2009-06, San Francisco, États-Unis
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Type
Communication / ConférenceExternal document link
http://hal.archives-ouvertes.fr/hal-00419339/fr/Date
2009Conference title
32nd IAEE International ConferenceConference date
2009-06Conference city
San FranciscoConference country
États-UnisPages
25
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Show full item recordAbstract (EN)
To improve risk management in the European Union Emissions Trading Scheme (EU ETS), the European Climate Exchange (ECX) has introduced option instruments in October 2006 after regulatory authorization. The central question we address is: can we identify a potential destabilizing effect of the introduction of options on the underlying market (EU ETS futures)? Indeed, the literature on commodities futures suggest that the introduction of derivatives may either decrease (due to more market depth) or increase (due to more speculation) volatility. As the identification of these effects ultimately remains an empirical question, we use daily data from April 2005 to April 2008 to document volatility behavior in the EU ETS. By instrumenting various GARCH models, endogenous break tests, and rolling window estimations, our results overall suggest that the introduction of the option market had no effect on the volatility in the EU ETS. These finding are robust to other likely influences linked to energy and commodity markets.Subjects / Keywords
Endogenous Structural Break Detection; Rolling Estimation; GARCH; Volatility; Option prices; EU ETSRelated items
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