Oct 10 (Reuters) - NYSE Euronext :
* Announces trading volumes for September 2012 and other metrics
* Says global derivatives adv in September 2012 of 7.7 million contracts
decreased 19.4 percent
* Says U.S. equity options adv of 4.1 million contracts in September 2012
decreased 10.2 percent
* European derivatives products adv in September 2012 of 3.5 million contracts
decreased 28.2 percent
* September NYSE Liffe U.S. adv of approximately 83,700 contracts decreased
26.2 percent compared to September 2011
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