MIAX Options Exchange: Update - Top of Market (ToM) Feed Interface Specification - Mandatory Change

Top of Market (ToM) Data Feed v2.1 (Mandatory Changes) - Implementation Schedule Update

As previously announced in the July 19, 2017 Alert, the MIAX Options Exchange released an updated Interface Specification for the Top Of Market Feed (ToM) that will require ToM consumers to make programmatic changes.

Updated Implementation Information:
  • Firm Test Bed 2 (FTB2) will be available on November 6, 2017.
  • The production rollout is scheduled for 1st quarter, 2018.  Specific dates will be announced in a future Alert.
The ToM specification is currently available for review at MIAX Options Interface Specifications.

Please contact MIAX Trading Operations at or (609) 897-7302 to discuss any specific issues and to arrange interface testing.