TMX - Montréal Exchange | Regulatory Division - Participant Portal Home About About About Governance and Structure Mission and Vision Mandate and Roles Contact Us User Group Committees Compliance Forum Approval Approval Approval Approved Participants Approved Persons Clients Contact Us Requirements Requirements Requirements Position Limits Position Limits Position Limits Position Limits File FAQ – Position Limits Margin Rates Contact Us LOPR LOPR LOPR Circulars Technical Notices Technical Documents Over-the-Counter Options Regulation Regulation Regulation Guidelines Regulatory Amendments Contact Us Personal Information Policy Disciplinary Processes Disciplinary Decisions Complaints Publications Publications Publications Circulars Rules Newsletter Contact Us FAQs and Guidelines Portal Portal Portal Participant Portal Contact Us LOPR Portal Sign In Participant Portal LOPR Portal Français Montréal Exchange Regulatory Division Search... Search Search Site HOME About About Governance and Structure Mission and Vision Mandate and Roles User Group Committees Compliance Forum Contact Us Approval Approval The Division, through the Regulatory Affairs service, is responsible for approving new participants and individuals who wish to access the Bourse's electronic trading system. Approved Participants Approved Persons Clients Contact Us Requirements Requirements To assist participants in complying with the regulatory requirements of the Bourse, the Regulatory Division publishes on its site documents relating to margin requirements on futures contracts, position limits, as well as information on the reporting of large open positions (LOPR). Position Limits Position Limits File Guidelines – Position Limits Margin Rates Client and Order Identifiers LOPR Circulars Technical Notices Technical Documents Reports of Transactions in OTC Options Contact Us Regulation Regulation Guidelines Market Integrity Rules Disciplinary Procedures Disciplinary Decisions Complaints Contact Us Publications Publications Circulars Rules Reports FAQs and Guidelines Contact Us Participant Portal Home Participant Portal Participant Portal Portal The Participant Portal is a secure and user-friendly single point of contact for participants. It facilitates access to regulatory documents as well as submitting requests, reports and notices to the Division. Participants have round-the-clock access for consulting information related to their activities with the Division, such as the list of their approved persons, their MX-ID identifiers, and to consult the status of any request they have submitted to the Division. Portal features Designated Representatives Appointment Update Termination Authorized Signatories Appointment Update Termination Secure File Transfers Approved Person Requests Approval Transfers Termination Status Change MX-ID Access Requests Requests Transfers Deletions Trader Training Certification - Futures Trading Certification - Options Trading Notification of Non-Compliance (Gatekeeper) Order Marker Correction Reports of Accumulated Positions application (the "LOPR App") Client Identifiers OTC Options Transaction Reporting Reports of Accumulated Positions Scorecard Cyber Security Incident Reporting Contact For more information, please contact the Regulatory Division at [email protected] Contact Us Top Capital Formation Toronto Stock Exchange TSX Venture Exchange TSX Trust TMX Newsfile Markets Montréal Exchange Toronto Stock Exchange TSX Venture Exchange TSX Alpha Exchange AlphaX US Shorcan Post-Trade CDCC CDS Insights TMX Datalinx TMX Trayport TMX VettaFi TMX Money Contact Us Terms of Use Privacy Policy Fraud Prevention X Facebook LinkedIn YouTube TMX Group Limited and its affiliates (the “TMX group of companies”) do not endorse or recommend any securities issued by any companies identified on, or linked through, this site. Please seek professional advice to evaluate specific securities or other content on this site. All content (including any links to third party sites) is provided for informational purposes only (and not for trading purposes), and is not intended to provide legal, accounting, tax, investment, financial or other advice and should not be relied upon for such advice. The views, opinions and advice of any third party reflect those of the individual authors and are not endorsed by the TMX group of companies. The TMX group of companies have not prepared, reviewed or updated the content of third parties on this site or the content of any third party sites, and assume no responsibility for such information. Copyright © 2026 TSX Inc. All rights reserved.