
CME Group/Chicago HQ
Main Switchboard
Local: 312-930-1000
Toll Free: 866-716-7274
Customer Service
Product inquiries, website issues, and specific questions
Phone: 312-930-2316
Toll Free: 800-331-3332
E-mail: info@cmegroup.com
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When a regulator investigates a complaint from a customer for possible rule violations, the information obtained is confidential, and will not be shared with the customer. Investigations sometimes lead to disciplinary action and a fine, but such action generally does not result in restitution to the customer. If you are seeking recovery of a loss from a dispute, you will need to pursue your claim through arbitration, reparations or the courts.