Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Provide an Optional Functionality for a BOX Options Participant To Prevent Its Market Maker or Proprietary Broker-Dealer Orders Entered in BOX From Trading With Quotes/Orders Originating From the Same BOX Participant and Were Resting on the BOX Book

National Securities Exchanges, Nasdaq BX, Inc. (BX)

Last Reviewed or Updated: Sept. 30, 2011