2005 Cboe Exchange Regulatory Circulars

File number: RG05-98
Date filed: October 24, 2005
Description:

RG05-98 Spread Orders Involving Mini-SPX Options.

File number: RG05-97
Date filed: October 26, 2005
Description:

RG05-97 Mini-SPX (XSP) Options (revision to RG05-96)

File number: RG05-96
Date filed: October 21, 2005
Description:

RG05-96 Mini SPX (XSP) Options

File number: RG05-95
Date filed: October 19, 2005
Description:

RG05-95 Restrictions on Transactions in Refco Inc. (RFX)

File number: RG05-94
Date filed: October 14, 2005
Description:

RG05-94 Preferred Market-Maker Approval

File number: RG05-93
Date filed: October 12, 2005
Description:

RG05-93 Restrictions on Transactions in Delphi Corporation (DPH)

File number: RG05-92
Date filed: October 12, 2005
Description:

RG05-92 Restrictions on Transactions in Delta Airlines Inc. (DAL).doc

File number: RG05-91
Date filed: October 12, 2005
Description:

RG05-91 RAES Volume Limit and RAES Log On/Log Off Requirements for the Jumbo Dow (DXL).

File number: RG05-90
Date filed: October 12, 2005
Description:

RG05-90 2005 Annual Election Process

File number: RG05-89
Date filed: October 10, 2005
Description:

RG05-89 Supplement to the Options Disclosure Document

File number: RG05-88
Date filed: October 10, 2005
Description:

RG05-88 Inter-Exchange Procedures in Volatile Markets For Fourth Quarter 2005

File number: RG05-87
Date filed: November 14, 2005
Description:

RG05-87 Expansion of Routing into the Complex Order Book (COB)

File number: RG05-86
Date filed: October 5, 2005
Description:

RG05-86 Description of Procedures for the ROS Opening on Volatility Index Futures and Options Contract Settlement Days

File number: RG05-85
Date filed: October 5, 2005
Description:

RG05-85 Modified ROS Opening Procedures on Settlement Dates of Volatility Options and Futures

File number: RG05-84 Hybrid Opening System Enhancement
Date filed: October 6, 2005
Description:

RG05-84 Hybrid Opening System Enhancement

File number: RG05-83
Date filed: October 5, 2005
Description:

RG05-83 Linkage Fees Rebates Increased October through December 2005

File number: RG05-82
Date filed: October 3, 2005
Description:

RG05-82 Fee Reductions for October 2005

File number: RG05-81
Date filed: October 3, 2005
Description:

RG05-81 Short Term Option Quoting Obligations

File number: RG05-80
Date filed: October 3, 2005
Description:

RG05-80 S&P 500 Index Options LEAPS Fee Waiver Program

File number: RG05-79
Date filed: September 26, 2005
Description:

RG05-79 Restrictions on Transactions in Northwest Airlines (NWACQ)

File number: RG05-78
Date filed: September 28, 2005
Description:

RG05-78 Index Options Eligible for Routing into the Complex Order Book (COB)

File number: RG05-132 Prearranged Trades
Date filed: December 30, 2005
Description:

RG05-132 Prearranged Trades

File number: RG05-130
Date filed: December 29, 2005
Description:

RG05-130 Monthly Fair Value Settlement of CME Stock Index Futures and Options and Year End Closing Rotations

File number: RG05-129
Date filed: December 21, 2005
Description:

RG05-129 Maximum Percentages of RAES Transactions and Contract Volume Effective January 2006

File number: RG05-128
Date filed: December 13, 2005
Description:

RG05-128 Change to Exposure Period for Crossing Orders in Hybrid

File number: RG05-127
Date filed: December 12, 2005
Description:

RG05-127 Short Sales - Regulation SHO Threshold Securities List

File number: RG05-126
Date filed: December 9, 2005
Description:

RG05-126 Amendment to 2.5 Strike Price Program

File number: RG05-125
Date filed: December 9, 2005
Description:

RG05-125 New Payment for Order Flow Plan

File number: RG05-124
Date filed: December 7, 2005
Description:

RG05-124 Restrictions on Transactions in Calpine Corporation (CPN)

File number: RG05-123
Date filed: December 5, 2005
Description:

RG05-123 Access to the trading floor

File number: RG05-122
Date filed: December 6, 2005
Description:

RG05-122 Preferred Market-Maker Program

File number: RG05-121
Date filed: December 5, 2005
Description:

RG05-121 Non-member Market-Maker Fee Changes in DJX DXL XSP

File number: RG05-120
Date filed: December 5, 2005
Description:

RG05-120 Fee Reductions for December 2005

File number: RG05-119
Date filed: November 28, 2005
Description:

RG05-119 Restrictions on Transactions in Royal Dutch Petroleum (RD)

File number: RG05-118
Date filed: November 28, 2005
Description:

RG05-118 Revisions to the Series 4 - Registered Options Principal and Series 9-10

File number: RG05-117
Date filed: November 28, 2005
Description:

RG05-117 Separation of DPM Agency and Principal Functions

File number: RG05-116
Date filed: November 28, 2005
Description:

RG05-116 DPM Obligations Until the Implementation of the PAR Officials Program

File number: RG05-115
Date filed: November 28, 2005
Description:

RG05-115 Linkage - Approved Amendments to the Linkage Plan

File number: RG05-114
Date filed: November 28, 2005
Description:

RG05-114 Repeal of Maintenance Listing Standard

File number: RG05-113
Date filed: November 16, 2005
Description:

RG05-113 Gratuities Policy - Rule 4.4

File number: RG05-112
Date filed: November 16, 2005
Description:

RG05-112 Electioneering

File number: RG05-111
Date filed: November 16, 2005
Description:

RG05-111 Campaign Materials

File number: RG05-110
Date filed: November 14, 2005
Description:

RG05-110 Reduced Value SP 500 Index LEAPS Expiring December 2005

File number: RG05-109
Date filed: November 14, 2005
Description:

RG05-109 Relief from Commodity Pool Operator and Commodity Trading Advisor Registration Requirements for Security Futures Trading

File number: RG05-108
Date filed: November 14, 2005
Description:

RG05-108 Description of Procedures for the ROS Opening on Volatility Index Futures and Options Contract Settlement Days

File number: RG05-107
Date filed: November 14, 2005
Description:

RG05-107 DJX Options on the Settlement Dates of CBOE DJIA Volatility Index Futures Contracts

File number: RG05-106
Date filed: November 9, 2005
Description:

RG05-106 PAR Operator Log On/Log Off Responsibilities

File number: RG05-105
Date filed: November 4, 2005
Description:

RG05-105 Exercise Advice Requirements for OEX Short Term Options

File number: RG05-104
Date filed: November 4, 2005
Description:

RG05-104 - SP 100 Index and American-Style FLEX Index Option Exercise Procedures

File number: RG05-103
Date filed: November 2, 2005
Description:

RG05-103 Extension of Rule 6.45A(b) and Applicability of Section 11(a)(1)

File number: RG05-102
Date filed: November 2, 2005
Description:

RG05-102 Compliance with Section 11(a) of the Securities Exchange Act of 1934 and the Rules Thereunder

File number: RG05-101
Date filed: November 2, 2005
Description:

RG05-101 Position and Exercise Limits

File number: RG05-100
Date filed: November 2, 2005
Description:

RG05-100 Fee Reductions for November 2005

File number: RG05-099
Date filed: November 2, 2005
Description:

RG05-099 Market-Maker I Orders

File number: RG05-076
Date filed: September 7, 2005
Description:

RG05-076 RMM Appointments in DIA Options

File number: RG05-075
Date filed: September 7, 2005
Description:

RG05-075 Automated Submission of Trading Data-Rule 15.7

File number: RG05-074
Date filed: September 2, 2005
Description:

RG05-074 Linkage Plan Overview for DIA

File number: RG05-073
Date filed: September 1, 2005
Description:

RG05-073 Fee Reductions for September 2005

File number: RG05-072
Date filed: September 1, 2005
Description:

RG05-072 Dividend & Merger Spreads Fee Cap Pilot Extended to March 1, 2006

File number: RG05-071
Date filed: August 31, 2005
Description:

RG05-071 Broad-Based Index Portfolio Margin Program for Certain Customers

File number: RG05-070
Date filed: August 24, 2005
Description:

RG05-070 Direct Routing into the Complex Order Book (COB)

File number: RG05-069
Date filed: August 18, 2005
Description:

RG05-069 Position and Exercise Limits

File number: RG05-068
Date filed: August 15, 2005
Description:

RG05-068 Restrictions on Transactions in Lakes Entertainment, Inc. (LACOE/QWL)

File number: RG05-067
Date filed: August 9, 2005
Description:

RG05-067 Restrictions on Transactions in Impax Laboratories (ILPXE/UPR)

File number: RG05-066
Date filed: August 8, 2005
Description:

RG05-066 SEC Approval of 1000 Spoke RAES Wheel

File number: RG05-065
Date filed: August 1, 2005
Description:

RG05-065 Fee Reductions for August 2005

File number: RG05-064
Date filed: August 1, 2005
Description:

RG05-064 Restrictions on Transactions in Aphton Corporation (APHT)

File number: RG05-063
Date filed: July 27, 2005
Description:

RG05-063 Restricted Series

File number: RG05-062
Date filed: July 19, 2005
Description:

RG05-062 Inter-Exchange Procedures in Volatile Markets for Third Quarter 2005

File number: RG05-061
Date filed: July 15, 2005
Description:

RG05-061 Market-Maker M and N Orders

File number: RG05-060
Date filed: July 7, 2005
Description:

RG05-060 Margin and Net Capital Requirements for Options on CBOE PowerPacks Indices

File number: RG05-056
Date filed: June 8, 2005
Description:

RG05-056 Minimum Market Share Requirements

File number: RG05-055
Date filed: June 2, 2005
Description:

RG05-055 Firm and BD orders in the Complex Order Book (COB)

File number: RG05-054
Date filed: May 31, 2005
Description:

RG05-054 Fee Reductions for June 2005

File number: RG05-053
Date filed: May 27, 2005
Description:

RG05-053 Merger Spreads Fee Cap Pilot Program

File number: RG05-052
Date filed: May 20, 2005
Description:

RG05-052 Characterization of Pass-Through of CBOE Sales Value Fee to Customers

File number: RG05-051
Date filed: May 23, 2005
Description:

RG05-051 Opening Rotation Quoting in Hybrid Classes

File number: RG05-050
Date filed: May 13, 2005
Description:

RG05-050 Hybrid System Opening Rule Change

File number: RG05-049
Date filed: May 9, 2005
Description:

RG05-049 Rule Change Proposing May 2005 Member Dues Waiver

File number: RG05-048
Date filed: May 4, 2005
Description:

RG05-048 Competitive Quote Obligations and Quote Widths in Hybrid Classes

File number: RG05-047
Date filed: May 2, 2005
Description:

RG05-047 Hybrid Quote Trigger Book Timer

File number: RG05-046
Date filed: May 2, 2005
Description:

RG05-046 Regulation SHO (Short Sales)

File number: RG05-045
Date filed: May 2, 2005
Description:

RG05-045 Restrictions on Transactions in aaiPharma Inc. AAIE IUQ

File number: RG05-044
Date filed: May 2, 2005
Description:

RG05-044 Fee Reductions for May 2005

File number: RG05-043
Date filed: April 28, 2005
Description:

RG05-043 Execution of Complex Orders and Routing of Orders to the Complex Order Book

File number: RG05-042
Date filed: April 28, 2005
Description:

RG05-042 Direct Booking of M and N Orders

File number: RG05-041
Date filed: April 22, 2005
Description:

RG05-041 Description of Procedures for the ROS Opening on Volatility Index Futures and Options Contract Settlement Days

File number: RG05-039
Date filed: April 21, 2005
Description:

RG05-039 Remote Market-Maker (RMM) and Russell 2000 Fees

File number: RG05-038
Date filed: April 14, 2005
Description:

RG05-038 Minimum Quote Size and Maximum Quote Width in Hybrid Classes

File number: RG05-037
Date filed: April 6, 2005
Description:

RG05-037 Martin Requirements for Certain Complex Spreads

File number: RG05-036
Date filed: April 6, 2005
Description:

RG05-036 Enhanced Dividend Spread Fee Cap Pilot Program

File number: RG05-034
Date filed: March 14, 2005
Description:

RG05-034 Description of Procedures for the ROS Opening and VIX Futures and Options Contract Settlement Days

File number: RG05-033
Date filed: March 11, 2005
Description:

RG05-033 Systematizing Orders and COATS

File number: RG05-032
Date filed: March 11, 2005
Description:

RG05-032 Limit Order Display Requirements

File number: RG05-031
Date filed: March 4, 2005
Description:

RG05-031 Enhanced Dividend Spread Fee Cap Program

File number: RG05-030
Date filed: March 1, 2005
Description:

RG05-030 The new SizeQuote Mechanism

File number: RG05-029
Date filed: March 1, 2005
Description:

RG05-029 Changes to Order Routing Parameters and Autobook Timer at Hybrid Index DPM Locations

File number: RG05-028
Date filed: March 1, 2005
Description:

RG05-028 Restrictions on Transactions in Ultimate Electronics Inc. ULTEQ QTQ

File number: RG05-026
Date filed: February 24, 2005
Description:

RG05-026 Position Limit Increase

File number: RG05-025
Date filed: February 23, 2005
Description:

RG05-025 Restrictions on Transactions in Winn-Dixie (WIN)

File number: RG05-024
Date filed: February 23, 2005
Description:

RG05-024 Changes to Order Routing Parameters and Autobook Timer

File number: RG05-023
Date filed: February 22, 2005
Description:

RG05-023 New Obvious Error Rule for Equities

File number: RG05-022
Date filed: February 18, 2005
Description:

RG05-022 Instant Messaging and E-mail Policies

File number: RG05-021
Date filed: February 17, 2005
Description:

RG05-021 DPM Allocation on N-Second Book (Quote Trigger) Trades

File number: RG05-020
Date filed: February 22, 2005
Description:

RG05-020 Regulation SHO (Short Sales)

File number: RG05-019
Date filed: February 17, 2005
Description:

RG05-019 Restrictions Lifted on Transactions in Hollywood Entertainment Corporation (HWQ)

File number: RG05-018
Date filed: February 11, 2005
Description:

RG05-018 Changes to Split-Price Priority Rule for Orders for at least 100 Contracts

File number: RG05-017
Date filed: February 11, 2005
Description:

RG05-017 Autobook

File number: RG05-016
Date filed: February 8, 2005
Description:

RG05-016 Restrictions on Transactions in Tower Automotive (TWR)

File number: RG05-015
Date filed: February 2, 2005
Description:

RG05-015 2004 Regulatory Circulars

File number: RG05-014
Date filed: January 31, 2005
Description:

RG05-014 Fee Reductions for February 2005

File number: RG05-013
Date filed: January 31, 2005
Description:

RG05-013 MNX and NDX Fee Changes Effective February 1 2005

File number: RG05-012
Date filed: January 24, 2005
Description:

RG05-012 SPX-SPDR Option Spread Orders

File number: RG05-011
Date filed: January 20, 2005
Description:

RG05-011 Index Option Classes Eligible for NASD Short Sales Rule Option Market-Maker Exemption

File number: RG05-010
Date filed: January 14, 2005
Description:

RG05-010 Restrictions on Transactions in Certain Fannie mae (FNM) Options

File number: RG05-009
Date filed: January 13, 2005
Description:

RG05-009 Equity Option Crossing Rule

File number: RG05-008
Date filed: January 13, 2005
Description:

RG05-008 In Crowd Market-Makers May Auto-ex Once per 15 Seconds

File number: RG05-007
Date filed: January 12, 2005
Description:

RG05-007 Elimination of Electronically-Generated Orders Rule

File number: RG05-006
Date filed: January 12, 2005
Description:

RG05-006 CBOE Rule 9.25 Borrowing From or Lending To Customers

File number: RG05-005
Date filed: January 10, 2005
Description:

RG05-005 SEC Approval of COATS Rule Filing

File number: RG05-004
Date filed: January 5, 2005
Description:

RG05-004 Amendment to CBOE Rule 6.8(d)(v) - RAES Trigger Functionality

File number: RG05-003
Date filed: January 5, 2005
Description:

RG05-003 FOCUS REPORT (Form X-17A-5)

File number: RG05-001
Date filed: January 3, 2005
Description:

RG05-001 Fee Reductions for January 2005

File number: RG04-131
Date filed: January 3, 2005
Description:

RG04-131 Fee Changes Effective January 1 2005