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Everything you need to know about the Canadian Investment Regulatory Organization (CIRO): a dynamic resource

Welcome to BLG and BLG Beyond AUM Law’s dynamic resource on the Canadian Investment Regulatory Organization (CIRO). We invite you to bookmark and revisit this page which will be updated to reflect developments of importance to CIRO registered firms. Resulting from the amalgamation of the Investment Industry Regulatory Organization of Canada (IIROC) and the Mutual Fund Dealers Association of Canada (MFDA), CIRO has been operating since January 1, 2023 and has led to – and will continue to generate – significant changes in the registration and oversight of investment and mutual fund dealers across Canada, as well as new opportunities. This resource is designed to help you find, understand and act on CIRO-related topics, such as new developments, rules, registration requirements, enforcement and examinations and more.

Recent developments

  • November 5, 2025 – CIRO released updated guidance regarding Securities Trading on Marketplaces in U.S. and Canadian Currencies, which clarifies the obligations under the Universal Market Integrity Rules (UMIR) for trading securities in both Canadian and U.S. currencies on Canadian marketplaces. It confirms that trades in each currency are treated as distinct for determining arbitrage activity, last sale price, best ask, and best bid, but trading volumes in both currencies may be aggregated to assess whether a security qualifies as “highly-liquid." This update, part of CIRO's UMIR Guidance Update Project, introduces no material changes but aims to improve clarity and compliance for investment dealers.

  • November 5, 2025 - CIRO released updated Guidance on Double Printing, clarifying the prohibition against "double printing" under the Universal Market Integrity Rules (UMIR). Double printing refers to executing two trades when only one is necessary, which can create artificial trading volume and a misleading appearance of market activity. This update, part of CIRO's UMIR Guidance Update Project, introduces no material changes but aims to improve clarity and compliance for investment dealers.
  • November 5, 2025 - CIRO released updated  guidance  concerning the Application of UMIR to the Trading Activity of an Access Person, which clarifies how the Universal Market Integrity Rules (UMIR) apply to the trading activity of an Access Person. It emphasizes that Access Persons are subject to the same prohibitions and obligations as Participants regarding manipulative or deceptive practices, improper orders, short selling, order entry, designations, and trading supervision, and reiterates key requirements including, compliance with marketplace rules, maintaining audit trails, reporting short positions, adhering to gatekeeper obligations, proficiency obligations and risk controls. This update, part of CIRO's UMIR Guidance Update Project, introduces no material changes but aims to improve clarity and compliance for investment dealers.

Key Contacts

BLG Beyond AUM Law - Bill Donnegan

 

Regulatory Compliance Counsel and Consultants to Securities Registrants – BLG Beyond AUM Law was founded in 2009 with a vision to serve the regulatory compliance needs of securities registrants. BLG Beyond AUM Law has been part of Borden Ladner Gervais LLP (BLG) since May 2021 and is integrated with BLG’s suite of alternative legal services known as BLG Beyond. BLG Beyond AUM Law offers practical, cost-effective legal and consulting advice on securities regulatory compliance matters.

 

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