Ontario Securities Commission - OSC

DEFINITION of 'Ontario Securities Commission - OSC'

The securities regulator that supervises and enforces regulations for the Canadian province of Ontario. Among other responsibilities, the Ontario Securities Commission (OSC) is responsible for regulating exchanges, Alternative Trading Systems (ATSs), and Quotation and Trade Reporting Systems (QTRSs).

BREAKING DOWN 'Ontario Securities Commission - OSC'

Under the Securities Act (Ontario), the OSC has the power to recognize Self-Regulatory Organizations (SROs) that regulate the standards and operations of their own members. Two examples of SROs include the Investment Industry Regulatory Organization of Canada (IIROC) and the Mutual Fund Dealers Association of Canada (MFDA).

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