Finance News

Story: CFTC Bans Bookmaker-Style Odds on Kalshi and Polymarket Event Contracts

By Steven Anderson

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What the Letter Actually Requires. It's not just a suggestion. Exchanges offering event contracts, along with introducing brokers and…

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The Bigger Jurisdictional Fight. The marketing directive doesn't exist in a vacuum. It's part of a much messier legal battle…

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The CFTC just drew a hard line. The regulator sent a formal letter to exchanges offering event contracts, telling them to stop marketing derivatives using American-style…

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The letter is blunt. Derivatives must be shown in nominal or percentage terms that actually reflect market pricing. Not sportsbook formatting.

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It's not just a suggestion. Exchanges offering event contracts, along with introducing brokers and futures commission merchants tied to prediction markets, had to confirm receipt…

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Bloomberg reported on the letter but didn't specify which platform or which marketing material triggered the warning. The CFTC went industry-wide instead of singling anyone out.

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The core issue isn't complicated. A prediction market contract that pays out based on an election result or a sports outcome can look, feel, and read almost identically to a…

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The marketing directive doesn't exist in a vacuum. It's part of a much messier legal battle playing out between federal regulators and several states over what event contracts…

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More context: Utah Ruling Leaves Kalshi Exposed in 7 Federal Circuits After Judge Rejects Federal Shield

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The CFTC's position is consistent: these are federally regulated derivatives under the Commodity Exchange Act, full stop. Kalshi and Polymarket back that view.

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The dispute is probably the defining regulatory question for the prediction market industry right now. It's not just about classification on paper.

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So the CFTC's letter does two things at once. It tries to shore up the regulatory legitimacy of event contracts by insisting they look and feel like financial instruments.

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What's unclear is whether the presentation fix actually resolves the deeper tension. States that see these products as gambling aren't going to change their view because Kalshi…

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Related: Lummis Pushes CLARITY Act Past 300-Page Revision With September Vote Now the Target

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For now, firms in the event contract space have a concrete compliance task: audit their marketing materials, strip out bookmaker-style odds formatting, and make sure their…

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