Miami International Securities Exchange Announces Additional Mock Trading Testing Dates

Miami International Securities Exchange Announces Additional Mock Trading Testing Dates PR Newswire PRINCETON, New Jersey, Sept. 24, 2012 PRINCETON, New Jersey, Sept. 24, 2012 /PRNewswire/ -- Miami International Securities Exchange, LLC ("MIAX") announced today that in preparation for the launch of its Options Trading Platform, MIAX is planning additional industry mock trading testing on the following dates: Saturday 10/13/12 – 9:00 a.m. – 1:00 p.m. ET Saturday 10/20/12 – 9:00 a.m. – 1:00 p.m. ET Saturday 10/27/12 – 9:00 a.m. – 1:00 p.m. ET Please note that testing on 10/27/12 will be conducted in conjunction with a SIFMA industry BCP test scheduled for the same day. Any additional mock trading test dates will be added on an as-needed basis. The industry mock trading testing will support the following: Open firm participation via each of MIAX's technical interfaces: MIAX Express Interface (MEI) for Market Maker quoting FIX Order Interface (FOI) for orders Top of Market (ToM) market data feed Clearing Trade Drop (CTD) for trade drops MIAX –-> OPRA Trade and Quote Reporting (NOTE: OPRA participation has been coordinated for all Mock Trading Sessions) Data generated from the testing will utilize the new OPRA Participant ID code "M" which will be disseminated via OPRA's Production channels.