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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 2026-09-08

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 unknown
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 unknown
SEC v. Carla Lea Chastain (churning, 2023) SEC 2023-08-18 Churning settled
SEC v. Waddell & Reed, LLC (churning, 2022) SEC 2022-09-19 Churning settled

See also

Terms that refer here

Suitability

Back to the full glossary — 261 defined terms.