Regulatory Notices Amended Protection Mechanism on Opening of BOX Options Market LLC BOX Exchange RC-2012-29A12/20/12
Regulatory Notices Amended Bid/Ask Differentials in Certain High Priced Securities BOX Exchange RC-2012-28A12/20/12
Trading Notices Elimination of Market Maker Quoting Obligations before Regular Market Hours BOX Options IC-2012-02012/19/12