C2 Options Exchange Sets New Single-Day Trading Record On Thursday

CBOE Holdings, Inc. (NASDAQ: CBOE) today announced that C2 Options Exchange (C2), the company's alternative all-electronic market, set a new high for volume in a single-day with 462,256 contracts traded on Thursday, August 4. Today's record trading activity surpassed the previous high of 352,784 contracts on March 16, 2011.

C2 posted its most active month ever for average daily volume (ADV) in July 2011, surpassing the June 2011 record. July ADV was 220,115 contracts, up four percent from June 2011 ADV of 210,896 contracts. Year-to-date through the end of July, C2 is averaging 182,915 contracts traded per day.