Earlier this month, the SEC approved FINRA’s rule change addressing the limitation and monitoring of self-trading in SEC Release No. 34-72067. FINRA Rule 5210 will put restrictions on self-trading activity that occurs as a result from one or related algorithms or that originate in one or related trading desks. Self-trading, as used by FINRA, does not result in a change in beneficial ownership and may or may not be a bona fide trade. The agency believes that self-trading, even conducted without fraudulent or manipulative intent, may be disruptive to the marketplace and distort information on a given security. The agency points to data it has collected that show self-trading of this kind may account for five percent or more of a security’s daily trading volume.
The rule, in its amended form, is designed to provide FINRA with increased ability to monitor and limit the “unintentional” interaction of orders that come from the same firm. This issue is apart from any self-trading that are the products of fraudulent or manipulative design. Rather, FINRA’s rule will attempt to limit the misleading impact that this unintentional self-trading has on marketplace data and trade volume of a security.
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