Regulatory Circulars

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March 30, 2015:   RG15-052 Restrictions on Transactions in Life Partners Holdings Inc. (LPHI) 
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March 30, 2015:   RG15-051 Restrictions on Transactions in Portugal Telecom, SGPS S.A. (PT) 
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March 27, 2015:   RG15-050 Operational System Settings for MSCI EAFE Index Options and MSCI Emerging Markets Index Options 
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March 27, 2015:   RG15-049 Multi-Class Broad-Based Index Spread Orders 
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March 26, 2015:   RG15-048 Sponsored User Program Applicability During CBOE Extended Trading Hours 
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March 23, 2015:   RG15-047 Operational Settings for Options on the Russell 2000 Index (RUT) 
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March 20, 2015:   RG15-046 Restrictions on Transactions in SIGA Technologies Inc. (SIGA) 
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March 18, 2015:   RG15-045 Russell 2000 Index Options (RUT) Fees 
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March 16, 2015:   RG15-044 Extended Trading Hours Session on VIX Settlement Days 
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March 16, 2015:   RG15-043 Operational Settings for Extended Trading Hours Session - Updated 
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