MIAX Options: Notice Of Schedule Change For The Launch Of SPIKES™ Options And Previously Announced Interface Specification Changes

The launch of trading on SPIKES™ options and activation of interface specification changes previously announced for January 22, 2019 have been temporarily placed on hold due to the government shutdown and its impact on pending SEC approvals.  

Please refer to the attached document for a list of the mandatory and optional changes associated with this update that are impacted by the temporary hold. MIAX will publish an alert establishing a new activation date once that is determined.
 
Support for testing the above changes continues to be available in the MIAX Firm Test Bed (FTB2) environment. 

Please review the updated interface specification for further details.  All specifications are currently available at MIAX Options Interface Specifications.