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Regulatory Notices
Penson Financial Services Inc. (PFSI) Clearing Arrangements
BOX Exchange RC-2012-1306/05/12
Fee Change Notices
Fee Change Effective June 1, 2012
BOX Options IC-2012-01005/30/12
Regulatory Notices
SRO Contact Information
BOX Exchange RC-2012-1205/30/12
Trading Notices
New BOX SOLA System Restart Day
BOX Options IC-2012-0905/11/12
Regulatory Notices
Bid/Ask Differentials for NDX Options
BOX Exchange RC-2012-2705/01/12
Regulatory Notices
Order Handling with Regard to Locked Markets
BOX Exchange RC-2012-1105/01/12
Regulatory Notices
Protection Mechanism on Opening of BOX Market
BOX Exchange RC-2012-0905/01/12
Regulatory Notices
Bid/Ask Differentials in Certain High Priced Securities
BOX Exchange RC-2012-0805/01/12
Trading Notices
Penny Pilot Classes Listed on BOX
BOX Options RC-2012-0705/01/12
Regulatory Notices
Modifications to the Price Improvement Process
BOX Exchange RC-2012-0605/01/12