Trading Notices Reduction in Price Improvement Period (PIP) Time to 100 Milliseconds BOX Options IC-2012-00202/03/12
Trading Notices NEW ATR Feed Supporting 4-digit Clearing Member Number BOX Options IC-2011-01210/26/11
Trading Notices Delayed Implementation Date for Block Trade Auction Mechanisms BOX Options IC-2011-00910/05/11
Fee Change Notices Amendments to the BOX Fee Schedule effective October 3, 2011 BOX Options IC-2011-00809/30/11