Polymarket’s MLB Partnership and CFTC Coordination: A New Model for Prediction Market Regulation in 2026

Polymarket—the blockchain-based prediction market platform that paid $1.4 million to settle CFTC charges in 2022—has been named Major League Baseball’s exclusive prediction market partner. The arrangement includes direct coordination with the Commodity Futures Trading Commission on market integrity, an extraordinary development for a platform that was, until recently, the poster child for unregistered event contract enforcement.

The partnership arrives after a turbulent period for Polymarket, which faced renewed scrutiny in 2025 over market integrity concerns. Now, rather than operating under regulatory threat, the platform is building compliance infrastructure alongside both a major American sports league and the federal agency that once sanctioned it. For crypto platforms, compliance professionals, and attorneys advising prediction market operators, this arrangement may represent the clearest signal yet of how event contract regulation will evolve in the United States.

Key Takeaways

• Enforcement-to-cooperation pipeline. Polymarket’s trajectory—from CFTC settlement in 2022 to CFTC-coordinating partner in 2026—demonstrates that prediction market platforms can rehabilitate their regulatory standing through proactive engagement.
• The CEA’s “gaming” exclusion remains the central legal fault line. Under 7 U.S.C. § 7a-2(c)(5)(C), the CFTC can prohibit event contracts involving “gaming.” How the agency draws that line for sports-adjacent prediction markets will define the industry’s legal boundaries.
• Market integrity controls are non-negotiable. The partnership’s emphasis on restricting markets that present integrity risks signals that robust surveillance frameworks will be a prerequisite—not an afterthought—for any platform seeking to operate compliantly.
• Prediction markets are not sports betting—legally. Event contracts under CFTC jurisdiction occupy a distinct legal category from sports wagering under state gaming laws, but maintaining that distinction requires careful structural choices by operators.
• Blockchain architecture creates both compliance advantages and challenges. On-chain settlement and transparent order books may satisfy certain CFTC surveillance requirements while raising novel questions about registration, reporting, and retail access.

What Are Prediction Markets Under the Commodity Exchange Act?

Prediction markets allow participants to trade contracts whose value is tied to the outcome of a future event—an election result, a weather pattern, or, in this case, baseball outcomes. When these contracts function as binary options or swaps, they fall squarely within CFTC jurisdiction under the Commodity Exchange Act (CEA), 7 U.S.C. §§ 1 et seq.

The CEA requires that such instruments be traded on registered designated contract markets (DCMs) or swap execution facilities (SEFs) (7 U.S.C. § 7). Platforms that offer event contracts to US persons without registration face enforcement action—as Polymarket learned firsthand.

Critically, the CEA also restricts certain categories of event contracts. Under 7 U.S.C. § 7a-2(c)(5)(C), the CFTC may determine that contracts involving “gaming” are contrary to the public interest and cannot be listed on registered exchanges. The statute also prohibits contracts based on unlawful activity, terrorism, and other categories the Commission deems contrary to public interest. The “gaming” restriction has been the most litigated boundary for prediction market platforms.

From Enforcement Target to Regulatory Partner: Polymarket’s Arc

In January 2022, the CFTC filed and simultaneously settled charges against Blockratize, Inc. (d/b/a Polymarket) for operating an illegal, unregistered event-based binary options trading facility. The CFTC’s order found that Polymarket offered swaps to retail participants without registering as a DCM or SEF and without implementing required customer protections (CFTC Order, In re Blockratize, Inc., Jan. 3, 2022). The $1.4 million civil monetary penalty and requirement to wind down non-compliant markets reflected the agency’s longstanding position that blockchain infrastructure does not exempt platforms from registration obligations.

Following the settlement, Polymarket restricted access for US-based users and continued operating internationally, growing into one of the largest prediction market platforms globally—most notably during the 2024 US presidential election cycle.

The platform faced renewed controversy in 2025 involving market integrity concerns. The current MLB partnership and CFTC coordination appear designed, in part, to address those concerns by building institutional credibility and regulatory oversight into the platform’s operations.

This trajectory—enforcement action, operational restructuring, institutional partnership, regulatory cooperation—may be instructive for other crypto-native platforms navigating US compliance. It is not, however, a guaranteed playbook. Polymarket’s path depended on specific regulatory conditions, including a CFTC leadership increasingly open to facilitating digital asset innovation rather than relying exclusively on enforcement.

Why the “Gaming” Exclusion Is the Key Legal Question

The CEA’s “gaming” restriction under 7 U.S.C. § 7a-2(c)(5)(C) is the critical legal issue for sports-related prediction markets. The statute does not define “gaming,” leaving the CFTC to draw the line between permissible event contracts and prohibited gaming contracts through interpretation and enforcement.

The most significant judicial development on this question came in Kalshi, Inc. v. CFTC (D.D.C. 2024), where the court addressed the CFTC’s authority to prohibit event contracts on election outcomes. While the specific holding concerned political event contracts rather than sports markets, the court’s reasoning—particularly its analysis of what constitutes “gaming” under the CEA—has broad implications for all event contract categories. [Note: Practitioners should verify the current procedural posture of the Kalshi litigation, including any appellate proceedings, as of 2026.]

For the Polymarket-MLB arrangement, the gaming exclusion creates a fundamental tension. Sports prediction markets look like sports betting to the ordinary observer, but they may serve distinct economic functions—price discovery, hedging, and information aggregation—that distinguish them from pure wagering. The CFTC’s willingness to coordinate on this partnership suggests the agency is, at minimum, open to the argument that sports-related event contracts can be structured to fall outside the “gaming” prohibition. But that position has not been formalized through rulemaking or published guidance, leaving significant legal uncertainty.

How Does This Differ From State-Regulated Sports Betting?

The legal distinction between CFTC-regulated event contracts and state-regulated sports betting is structural, not semantic, and it determines which regulatory regime applies.

Since Murphy v. NCAA, 584 U.S. 453 (2018), which struck down the Professional and Amateur Sports Protection Act (PASPA) as a violation of the Tenth Amendment’s anti-commandeering doctrine, sports betting has been regulated primarily at the state level. Over 30 states have legalized sports wagering under their own licensing, consumer protection, and integrity frameworks.

Event contracts traded on CFTC-regulated platforms occupy a different legal space. They are federal instruments subject to the CEA’s registration, reporting, position limit, and customer protection requirements. The CFTC has recognized that event contracts can serve legitimate hedging and informational purposes distinct from wagering—a distinction that, if maintained, supports federal preemption of conflicting state gaming laws under 7 U.S.C. § 16(e)(2).

However, this preemption argument remains untested in the prediction market context. Several states define “gambling” broadly enough to potentially encompass event contract trading—New York’s gambling statute (N.Y. Penal Law § 225.00), for example, covers contests of chance involving “risk” for a “prize.” State attorneys general and gaming commissions may challenge prediction market platforms operating without state licenses, regardless of CFTC oversight.

Additionally, the federal Wire Act (18 U.S.C. § 1084) prohibits the use of wire communications for bets or wagers on sporting events. While the Department of Justice’s 2011 Office of Legal Counsel opinion narrowed the Wire Act’s scope to sports betting, its potential application to blockchain-based sports prediction markets has not been directly addressed. Operators should assess Wire Act exposure as part of their compliance review.

The Blockchain Dimension: On-Chain Markets and Regulatory Compliance

Polymarket operates on the Polygon blockchain, with contracts settled through smart contracts and outcomes resolved via decentralized oracle systems. This architecture creates distinctive regulatory considerations that traditional prediction market platforms like Kalshi—which operate on centralized infrastructure—do not face.

Potential compliance advantages: Blockchain-based settlement provides an immutable, transparent record of all trades, positions, and resolutions. This on-chain transparency could, in theory, facilitate CFTC surveillance and audit requirements more effectively than traditional systems. Smart contract-based settlement eliminates certain counterparty risks that the CEA’s customer protection rules are designed to address.

Compliance challenges: Decentralized architecture complicates know-your-customer (KYC) and anti-money laundering (AML) obligations under the Bank Secrecy Act (31 U.S.C. §§ 5311–5332) and FinCEN regulations (31 C.F.R. Chapter X). If Polymarket operates as a money services business (MSB) or qualifies as a financial institution under the BSA, it must implement a compliance program regardless of its blockchain-native infrastructure. Decentralized oracle-based settlement also raises questions about who bears responsibility for erroneous or manipulated outcomes—a significant concern in the market integrity context that the MLB partnership is designed to address.

How the CFTC treats these blockchain-specific features in the context of Polymarket’s coordination arrangement could set important precedents for other DeFi protocols and on-chain derivatives platforms.

Practical Implications

For prediction market operators: The Polymarket-MLB model suggests the compliance pathway runs through proactive CFTC engagement and institutional partnerships, not regulatory avoidance. Platforms should assess whether their event contracts require DCM or SEF registration under 7 U.S.C. § 7 and begin conversations with CFTC staff. Consider requesting no-action relief or interpretive guidance on specific market structures.

For crypto-native DeFi protocols: Fully decentralized, non-custodial prediction protocols face a harder path. The MLB partnership works because Polymarket can implement integrity controls and restrict manipulable markets. Protocols that cannot exercise comparable discretion over their market offerings may not fit within the emerging compliance framework. This development widens the gap between DeFi protocols willing to incorporate compliance touchpoints and those designed to resist them.

For sports leagues and content owners: If you are evaluating prediction market partnerships, the MLB-Polymarket template establishes baseline expectations: explicit regulatory coordination, market integrity protocols that restrict high-risk markets, and structural separation from state-regulated sports betting. Insist on documented CFTC engagement before entering any arrangement.

For compliance officers and in-house counsel: Track whether the CFTC formalizes its approach through guidance, no-action letters, or rulemaking. In the interim, assume full CEA compliance obligations apply to any entity offering prediction markets to US persons. Map your state-by-state exposure under gaming statutes and assess Wire Act risk for sports-related markets. Build market integrity and surveillance controls now—these will be prerequisites for any legitimate operation.

What to Do Now

• Audit your event contract structure against CEA registration requirements (7 U.S.C. § 7). Determine whether your platform needs DCM or SEF registration—or whether an exemption or no-action position is available.
• Engage the CFTC proactively. Request a staff meeting or submit a request for interpretive guidance. Polymarket’s arc demonstrates that post-enforcement cooperation can lead to productive regulatory relationships.
• Map multi-jurisdictional exposure. Identify states where your prediction market offering may trigger gaming statutes and assess the strength of the federal preemption argument under 7 U.S.C. § 16(e)(2) for your specific market structure.
• Assess Wire Act risk for any sports-adjacent event contracts involving interstate wire communications (18 U.S.C. § 1084).
• Implement market integrity controls. Surveillance systems, insider trading policies, and the ability to restrict or delist markets presenting manipulation risks will be table stakes.
• Monitor Kalshi v. CFTC for appellate developments and any resulting CFTC rulemaking on the scope of the “gaming” exclusion.

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This article is for informational and educational purposes only and does not constitute legal advice. Reading this content does not create an attorney-client relationship. Laws and regulations in the cryptocurrency space change rapidly — consult a qualified attorney for advice specific to your situation and jurisdiction. Seth Goettelman is licensed to practice law in Wisconsin and Florida.