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Churning

Churning is excessive trading in a customer's account, driven by the broker's commissions rather than the customer's objectives. It defrauds one customer rather than distorting a price, which is why it sits outside manipulation proper.

instruments and markets · updated 2026-10-16

Where does churning come up?

This term is used in the following manipulation techniques, each explained in full on its own page.

Enforcement actions involving these techniques

Action Agency Filed Technique Penalty Status
SEC v. Baris Cabalar (churning, 2024) SEC 2024-10-16 Churning — filed
SEC v. Laidlaw and Company (UK) Ltd. (churning, 2023) SEC 2023-11-20 Churning $223k settled
SEC v. Michael Blumer, John Kuprianchik, David Page, Steven Thompson, Joseph Todaro (churning, 2023) SEC 2023-09-28 Churning — filed
SEC v. Rocco Roveccio (churning, 2019) SEC 2019-05-06 Churning $160k judgment
SEC v. William C. Gennity (churning, 2019) SEC 2019-03-04 Churning $160k judgment

See also

Terms that refer here

Suitability

Back to the full glossary — 282 defined terms.