Regulatory Circulars

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November 21, 2014:   RG14-167 Relief from Commodity Pool Operator and Commodity Trading Advisor Registration Requirements for Security Futures Trading 
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November 21, 2014:   RG14-166 Quoting Bandwidth Increase.pdf 
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November 21, 2014:   RG14-165 Rule 6.67 CBOE Trade Match System (CTM) 
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November 20, 2014:   RG14-164 Trading Restrictions Lifted for Transactions in Adjusted Geron Corporation (GERN1) Options Effective October 8, 2014 
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November 19, 2014:   RG14-163 Restrictions on Transactions in Dendreon Corporation (DNDN) 
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November 19, 2014:   RG14-162 Instant Messaging and E-mail 
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November 13, 2014:   RG14-161 Thanksgiving Holiday Schedule & Expiring Exercise Declaration (EED) Submissions for Friday, November 28, 2014 
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November 12, 2014:   RG14-160 Restrictions on Transactions in Education Management Corporation (EDMC) 
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November 11, 2014:   RG14-159 In-Person Requirements for Market-Makers in Hybrid 3.0 Products (symbol SPX) 
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November 11, 2014:   RG14-158 Bid-Ask Differentials and Minimum Quote Size 
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