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May 3, 2017 Index Symbol Length Extension (PDF)
March 13, 2017 OPRA Bandwith July 2017 (PDF)
February 8, 2017 OPRA Quarterly DR Testing Notice 2-8-17 (PDF)
January 10, 2017 MIAX PEARL Notice Reminder (PDF)
December 29, 2016 2017 Holiday Schedule (PDF)

 
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