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Regulatory Circulars
To view the text of each regulatory circular, click on the description.
Circular Number
Description
2010-16
Additions to the Penny Pilot Program
2010-15
Additions to the Penny Pilot Program
2010-14
Addition to the Penny Pilot Program
2010-13
Protection Mechanism on Opening of BOX Market
2010-12
Bid/Ask Differentials in Certain High Priced Securities
2010-11
Internet Holders Trust (HHH) Trade Busts on 5/6/2010
2010-10
Equity Market Trade Busts on 5/6/2010
2010-09
Additions to the Penny Pilot Program
2010-08
Modifications to Market Maker Quoting Obligations
2010-07
Modifications to the Price Improvement Process
2010-06
Modifications to the Directed Order Process
2010-05
Market Maker Protection on Open
2010-04
Bid Ask Differentials at the Open
2010-03
Changes to Quoting Increments for IWM and SPY and Additions to the Penny Pilot Program
2010-02
Required Cut-over to the OCC Large Option Positions Report
2010-01
Additions to the Penny Pilot Program
2009-20
Bid/Ask Differentials in Certain High Priced Securities
2009-19
Bid/Ask Differentials for NDX and RUT Options
2009-18
Directed Orders with Fill and Kill Designation
2009-17
Additions to the Penny Pilot Program
2009-16
Third Party Routing
2009-15
Bid Ask Differentials at the Open
2009-14
Web CRD - Registration Fees
2009-13
Elimination of Liquidity Make or Take Pricing
2009-12
Decentralized Linkage
2009-11
Amendments to BOX Fee Schedule
2009-10
Bid Ask Differentials at the Open
2009-09
Option Symbology Compliant Large Option Positions Report (LOPR)
2009-08
Implementation of Change Regarding Zero Bid Orders
2009-07
Zero Bid Order Handling
2009-06
Activation of Entry of Orders Into the PIP at Price Matching NBBO
2009-05
Entry of Orders Into the PIP at Price Matching NBBO
2009-04
Reduction in Certain Order Handling and Exposure Periods on BOX
2009-03
Bid/Ask Differentials in Certain High Priced Securities
2009-02
Protection Mechanism on Opening of BOX Market
2009-01
Amendments to BOX Obvious Error Rule and Catastrophic Errors
2008-28
Bid/Ask Differentials in Certain High-Priced Securities
2008-27
Bid/Ask Differentials for NDX and RUT Options
2008-26
Bid/Ask Differentials for NDX and RUT Options
2008-25
Bid/Ask Differentials in Certain High-Priced Securities
2008-24
Short Sale Rules Issued by the Commission
2008-23
UPDATE TO Regulatory Circular 2008-22 SEC Issues Extension of Emergency Short Sale Order
2008-22
SEC Issues Extension of Emergency Short Sale Order
2008-21
SEC Issues Additional Guidance Regarding New Rules to Protect Investors Against "Naked" Short Selling
2008-20
Bid/Ask Differentials for NDX Options
2008-19
Bid/Ask Differentials for RUT Options
2008-18
Closing Transactions Only Returned to Normal Trading
2008-17
Amendments to Commission's Emergency Orders
2008-16
Notification to OCC of Contrary Exercise Intentions
2008-15
Temporary Restrictions on Short Sales Extended
2008-14
Temporary Restrictions on Short Sales
2008-13
Quote Removal Mechanism
2008-12
Bid Ask Differentials NDX 2008 Q3
2008-11
Bid Ask Differentials RUT 2008 Q3
2008-10
Expiration Automatic Exercise Threshold Reduction
2008-09
Protection Mechanism on Opening of BOX Market
2008-08
BOX Fee Schedule - Tier 1 and Tier 2 Classes
2008-07
Obvious Error
2008-06
Penny Pilot Expansion
2008-05
Bid Ask Differentials at the Open
2008-04
Equity Option Position and Exercise Limit Increase
2008-03
Delta Hedge Exemptions
2008-02
NDX Bid-Ask differentials
2008-01
RUT Bid-Ask differentials
2007-13
Change in Market Closing Time (Retracted by BOXR on 4/2/08)
2007-12
Opening Spreads in NYSE Listed Names
2007-11
Bid/Ask Differentials in Certain High Priced Securities
2007-10
BOX Rule Chapter III Section 5
2007-09
Position Limits
2007-08 Amendment
Supplement for Memo 2007-08 re: Web CRD
2007-08
Web CRD Electronic Procedures for Forms U4 and U5
2007-07
Bid Ask Differentials NDX 2007 Q3
2007-06
Bid Ask Differentials RUT 2007 Q2
2007-05
Bid Ask Differentials NDX 2007Q2
2007-04
Market Maker Activity and Information Barriers
2007-03
Change in Pre-Opening Time
2007-02
New Origin Codes
2007-01
Position Limits for IWM
2006-07
Bid / Ask Differentials for NDX Options
2006-06
Market Maker Quoting Obligations
2006-05
Submission of Improvement Orders During the PIP
2006-04
Order Exposure Time
2006-03
Change of Closing Time for Trading of Options on Individual Stocks On BOX
2006-02
Closing Time for Trading of Options on Individual Stocks On BOX
2006-01
Market Maker Quoting Obligations During Pre-Opening Phase and BOX Market Opening Procedures
2005-06
Gifts and Gratuities Policy Reminder
2005-05
Move Memo
2005-04
Automated Submission of Trade Data - Electronic Blue Sheets
2005-03
BOX PIP Amendment - Eliminate Certain Restrictions
2005-02
Market Maker Quoting Obligations and Pre-opening Requirements
2005-01
Amended Position and Exercise limits
2004-04
$5.00 Spread
2004-03
BOX Rules and Regulatory Action for Trading Through the NBBO
2004-02
Market Maker Quoting Obligations and Pre-opening Requirements
2004-01
BOX Market Opening Rule Change