PUBLIC COMMENT PERIOD – Shared Trading Obligation Proposal

The FIX Brexit Working Group was created to assist FIX members and other industry participants prepare for the challenges posed by the United Kingdom leaving the European Union. The goals of the working group are to identify and review requests/requirements for potential changes to technical or business practices that may occur because of the changes in regulation or practices due to certain Brexit outcomes.

This extension proposal addresses one of the gaps in the FIX Protocol Standard due to changes caused by Brexit. The requirements addressed in this proposal relate to the Share Trading Obligation (STO) of an order.

Please post feedback, comments, and questions as replies to this discussion thread.
A link to the proposal can be found at:

The public comment period ends on October 7, 2019.