Regulatory Alert

MIAX Options

December 20, 2013 | 03:54 PM

Market for Underlying Security used for Openings on MIAX as of December 23, 2013

MIAX Regulatory Circular 2013-78 identifies the exchange to be used as the "market for underlying security" for purposes of Openings on the Exchange, as per MIAX Rule 503(d), for the option class CIEN, as of Monday, December 23, 2013.

Please contact the MIAX Regulatory Department with any questions at Regulatory@miaxglobal.com or 609-897-7309.