Alert: A nationwide postal strike or lockout began on November 15, 2024. Dealer Members must take steps to ensure that document delivery requirements prescribed under CIRO Rules continue to be met. More Info
Universal Market Integrity Rules (PDF)Universal Market Integrity Rules changes (PDF) List of Protected and Unprotected Marketplaces Effective as of April 1, 2024Effective as of April 1, 2023April 2021 - March 2022April 2020 - March 2021 Supporting Rule ResourcesList of Highly Liquid StocksList of Single Stock Circuit BreakersStatus of Amendments (PDF) DocumentsList of Acceptable Foreign Trade Reporting Facilities (PDF)List of Exempt ETFs (PDF)List of Designated Indexes (PDF)Circuit Breaker LevelsReporting form for certain DEA and OEO clients and Advisers (Excel)