Operator v. state
Underdog Exchange DCM, Inc. v. Campbell
U.S. District Court for the District of Massachusetts, 1:26-cv-14098
Pending
Cite this page
Bluebook
Underdog Exchange DCM, Inc. v. Campbell, Prediction Market Laws (last updated Oct. 21, 2026), https://predictionmarketlaws.com/lawsuits/underdog-v-campbell-dmass.
APA
Prediction Market Laws. (2026, October 21). Underdog Exchange DCM, Inc. v. Campbell. https://predictionmarketlaws.com/lawsuits/underdog-v-campbell-dmass
Complaint filed Sept. 8, 2026 before Judge F. Dennis Saylor IV; no PI motion or ruling found (docket retrieved Sept. 8, 2026; DeFi Rate Oct. 2026 lists no relief granted).
The question
Whether the Commodity Exchange Act preempts Massachusetts gambling or sports-wagering law as applied to event contracts listed on a CFTC-designated contract market.
Underdog Exchange DCM, Inc. and its affiliate UDM, LLC (Underdog Predict) sued Massachusetts officials in federal court seeking declaratory and injunctive relief against application of state gambling law to their event contracts.
Docket timeline
Complaint filed.
Source: dockets.justia.com