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Informational Circulars
To view the text of each informational circular, click on the description.
Circular Number
Description
2012-009
New BOX SOLA® System Restart Day
2012-008a
Participant Market Simulation Prior To System Upgrade - NEW DATE
2012-008
Participant Market Simulation Prior To System Upgrade
2012-007a
EBS Code Change for New SRO - Additional Information
2012-007
Electronic Blue Sheets (“EBS”) Code Change for New SRO
2012-006
New BOX Participant Testing Environment - REMINDER
2012-005
Routing Fee Change
2012-004
Customer Cross Orders
2012-003
Complex Order – Participant Technical Implementation
2012-002
Reduction in Price Improvement Period (“PIP”) Time to 100 Milliseconds
2012-001
BOX Fee Schedule - February 1, 2012
2011-013
New BOX Participant Testing Enviroment
2011-012
NEW ATR Feed Supporting 4-digit Clearing Member Number
2011-011
Participant Trade Prevention Feature
2011-010
New Market Maker Protection Features
2011-009
Delayed Implementation Date for Block Trade Auction Mechanisms
2011-008
Amendments to the BOX Fee Schedule effective October 3, 2011
2011-007
New Solicitation and Facilitation Auction Mechanisms for Block Trades
2011-006
Amendments to the BOX Fee Schedule effective September 1, 2011
2011-005
Amendments to the BOX Fee Schedule effective September 1, 2011
2011-004
Revised Implementation Date for "Professional" customer account type
2011-003
Amendment to BOX Trading Rules to add "Professional" Definition effective September 1, 2011
2011-002
Amendments to the BOX Fee Schedule effective April 1, 2011
2011-001
PIP Surrender Quantity
2010-005
New Order Duration Type - Session Order
2010-004
Amended BOX Fee Schedule for July 19, 2010
2010-003
Operational Process and Resumption of Trading for a Trading Pause on the BOX Market
2010-002
Amended BOX Fee Schedule – Options Regulatory Fee
2010-001
Amended BOX Fee Schedule - Transaction-Based Options Regulatory Fee
2009-008
Amended BOX Fee Schedule for January 2010
2009-007
Supplemental BOX ID Billing
2009-006
Amended BOX Fee Schedule
2009-005
Amended BOX Fee Schedule
2009-004
Amended BOX Fee Schedule - IML Outbound Trades
2009-003
Amended BOX Fee Schedule
2009-002
Amended BOX Fee Schedule
2009-001
Penny Pilot Extension