C2 Regulatory Circulars

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September 01, 2016:   C2 RG16-054 2016 Back-Up Data Center Test - Update 
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August 31, 2016:   C2 RG16-053 September 2016 Fees Schedule Changes 
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August 29, 2016:   C2 RG16-052 Wednesday-Expiring Weekly Options in SPY - Updated 
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August 23, 2016:   C2 RG16-051 Re-COA Inactivation 
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August 17, 2016:   C2 RG16-050 New User Handling Instruction "Do-Not-COA" 
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August 12, 2016:   C2 RG16-049 Wednesday-Expiring Weekly Options in SPY - Updated 
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August 10, 2016:   C2 RG16-048 Wednesday-Expiring Weekly Options in SPY 
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July 29, 2016:   C2 RG16-047 August 2016 Fees Schedule Changes 
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July 27, 2016:   C2 RG16-046 CBOE and C2 Trade Match Interface (CTMi) Upgrade 
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July 21, 2016:   C2 RG16-043 Restrictions on Transactions in C&J Energy Services, Ltd. (CJES) 
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