U.S. Options

Please be advised the MIAX Options Exchange will delay the introduction of Attributable Orders from Wednesday, May 29, 2013 to a date to be announced.

Attributable Orders allow the originating Executing Broker MPID to be displayed, at the Execution Broker's discretion, on all applicable associated Liquidity Seeking Events.

For information regarding Attributable Orders, please reference the MIAX Technical Alert dated May 4, 2013 at the following link: alertsfilter/alert/technical-alerts. Attributable Orders are currently available for testing in both the MIAX Firm Test Bed 1 (FTB1) and Firm Test Bed 2 (FTB2) environments.

For further information for Attributable Orders or to arrange interface testing, please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302.