Trading Notices Participant Market Simulation Prior To System Upgrade – NEW DATE BOX Options IC-2012-008a04/27/12
Trading Notices EBS Code Change for New SRO – Additional Information BOX Options IC-2012-007a04/19/12
Trading Notices Participant Market Simulation Prior To System Upgrade BOX Options IC-2012-00804/18/12
Trading Notices Reduction in Price Improvement Period (PIP) Time to 100 Milliseconds BOX Options IC-2012-00202/03/12