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The market microstructure of the European climate exchange

Bruce Mizrach () and Yoichi Otsubo ()

Journal of Banking & Finance, 2014, vol. 39, issue C, 107-116

Abstract: This paper analyzes the market microstructure of the European Climate Exchange, the largest EU ETS trading venue. The ECX captures 2/3 of the screen traded market in EUA and more than 90% in CER. Volume growth has averaged 277% in EUA between 2005 and 2009 and 724% in CER since 2007. Spreads range from €0.0188 to €0.0406 for EUA and €0.0276 to €0.0796 for CER. The median proportion of the spread due to adverse selection reaches 76% for EUA and 75% for CER. Realized volatility, bid-ask spreads and adverse selection costs decline with verified emission releases. Market impact estimates imply that an average trade will move the EUA market by 1.06 euro centimes and the CER market 1.45. The ECX is providing between 75% and 88% of price discovery for EUA trading and between 64% and 72% for CER. We find imbalances in the order book help predict returns for up to three days. A simple trading strategy that enters the market long or short when the order imbalance is strong is profitable even after accounting for spreads and market impact.

Keywords: Carbon; Market microstructure; Bid-ask spread; Information share; Order imbalance (search for similar items in EconPapers)
JEL-codes: G13 G32 E44 (search for similar items in EconPapers)
Date: 2014
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Working Paper: The Market Microstructure of the European Climate Exchange (2012) Downloads
Working Paper: The Market Microstructure of the European Climate Exchange (2010) Downloads
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DOI: 10.1016/j.jbankfin.2013.11.001

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