OneChicago, LLC today reported that 365,142 security futures contracts traded at the Exchange in January 2010, an increase of 138% from January 2009.
Open interest stood at 685,973 contracts at the end of January 2010, a 388% increase over January 2009.
The top five January volume OneChicago contracts are:- Exxon Mobil Corporation
 - Pfizer, Inc.
 - AT&T, Inc.
 - Chevron Corporation
 - Southern Company
 
January Highlights
- OneChicago added 40 new listings during January 2010. OneChicago now lists 1,778 issues including 184 ETFs.
 - On January 15, OneChicago began trading the new OCX.Weekly futures.