Insider Trading on Polymarket: Inside the Van Dyke Indictment and What It Means for Prediction Market Users

On April 23, 2026, the Department of Justice unsealed an indictment against Gannon Ken Van Dyke, an active-duty U.S. Army Master Sergeant stationed at Fort Bragg, charging him with using classified information about a U.S. military operation to generate roughly $410,000 in profits by trading binary-event contracts on Polymarket. The indictment, filed in the Southern District of New York, is one of the first federal prosecutions to apply traditional commodities insider trading theory to a decentralized prediction market. It is also a case study in almost every compliance risk that touches the prediction market ecosystem: misappropriation of nonpublic information, stablecoin-based settlement, VPN-obscured access, and post-trade laundering through a cryptocurrency vault.

For participants in the prediction market industry and for the lawyers who advise them, the Van Dyke case is worth reading carefully. This post summarizes the facts, unpacks the legal theories the government is advancing, and identifies what the case signals for operators, traders, and compliance teams going forward.

The indictment is an allegation only. Van Dyke is presumed innocent unless and until proven guilty beyond a reasonable doubt. This post discusses the government’s theory of the case and its implications for the industry, not Van Dyke’s guilt or innocence.

What the Government Alleges

The indictment describes a compact, three-week scheme. According to the government, Van Dyke had access to classified information about Operation Absolute Resolve, a U.S. military operation to capture Venezuelan leader Nicolás Maduro. Between December 27, 2025, and January 2, 2026, Van Dyke allegedly placed approximately 13 trades on Polymarket, taking the YES position on four Venezuela- and Maduro-related markets:

• “U.S. Forces in Venezuela . . . by January 31, 2026”
• “Maduro out by . . . January 31, 2026.”
• “Will the U.S. invade Venezuela by . . . January 31”
• “Trump invokes War Powers against Venezuela by . . . January 31”

Total stake: approximately $33,934 in USDC.e, the Polygon-bridged version of Circle’s USDC stablecoin that Polymarket uses to settle trades. On January 3, 2026, U.S. special forces apprehended Maduro in Caracas. Polymarket resolved the relevant YES contracts at $1.00 per share. Van Dyke allegedly cashed out approximately $409,881 in profit.

The indictment also alleges post-trade conduct that the government will present as consciousness of guilt: Van Dyke accessed Polymarket through a VPN that geolocated to a foreign jurisdiction, moved his proceeds into a foreign cryptocurrency “vault” advertised as generating yield through lending, later moved the funds into a newly opened brokerage account, asked Polymarket to delete his account while falsely claiming he had lost access to the associated email, and changed the registered email on his cryptocurrency exchange account to an address not subscribed in his name.

The Charges

Van Dyke is charged with five counts, which together reach nearly every tool in the federal prosecutor’s toolkit for financial misconduct involving nonpublic information:

Count 1: Unlawful use of confidential government information for personal gain (7 U.S.C. §§ 6c(a)(3), 13(a)(5))

This is the core insider trading count. The statute prohibits a federal employee or agent who acquires market-moving, nonpublic government information through their position from using that information to trade commodities, futures, options, or swaps for personal gain. The government’s theory is that Van Dyke’s access to Operation Absolute Resolve was exactly the kind of classified, market-moving information the statute was designed to protect.

Count 2: Theft of nonpublic government information (7 U.S.C. §§ 6c(a)(4)(C), 13(a)(5))

A closely related count. This provision criminalizes stealing, converting, or misappropriating market-moving government information and using or tipping it for commodities trading. The two counts together allow the government to charge the conduct as both “use” and “theft” of the same underlying information.

Count 3: Commodities fraud (7 U.S.C. §§ 9(1), 13(a)(5); 17 C.F.R. § 180.1)

The CFTC’s general anti-manipulation and anti-fraud rule, Rule 180.1, is modeled on the SEC’s Rule 10b-5. The government alleges that Van Dyke employed a manipulative device, scheme, and artifice to defraud in connection with swap transactions by trading while in possession of material nonpublic information obtained in breach of a duty.

Count 4: Wire fraud (18 U.S.C. § 1343)

The classic federal fraud backstop. The government alleges that Van Dyke used wires (the internet and interstate blockchain traffic) to execute a scheme to defraud, in which he used information obtained under a duty of confidentiality for personal pecuniary gain.

Count 5: Unlawful monetary transaction (18 U.S.C. § 1957)

Section 1957 criminalizes knowingly engaging in a monetary transaction of more than $10,000 in criminally derived property. The government points to Van Dyke’s transfer of approximately $300,000 from the proceeds of his alleged trading to establish this count.

The indictment also contains forfeiture allegations targeting Van Dyke’s Interactive Brokers account and approximately $50,066 on deposit at USAA Bank, with substitute asset provisions to reach property of equivalent value if the specific property is unavailable.

The Legal Theory Is Not New. The Application Is

The most interesting feature of this case is how familiar the legal theory looks, and how unfamiliar the factual setting is.

The insider trading charges under 7 U.S.C. § 6c(a)(3) and (a)(4) are part of a statutory scheme that has historically been used against federal employees who leaked or traded on market-moving information in traditional commodities markets: USDA crop reports, Federal Reserve rate decisions, energy data, and the like. Those cases involved identifiable commodity contracts traded on established exchanges.

What makes Van Dyke different is the underlying “commodity.” Polymarket binary event contracts are “swaps” within the meaning of the Commodity Exchange Act (this is the legal posture Polymarket has taken since its settlement with the CFTC in 2022, and the government adopts that characterization in the indictment). They are issued on the Polygon blockchain as smart contracts, settled in USDC.e, and accessed by retail users through a consumer-facing web interface. There is no intermediating futures commission merchant, no exchange floor, no traditional clearinghouse.

The government’s theory is that none of that matters. If the contract is a swap and the trader is a government employee who misappropriates market-moving government information in violation of a duty of confidentiality, the statute applies. This is an important signal. Prediction market contracts are not a regulatory gray zone for purposes of insider trading liability, at least in the government’s view, and decentralized settlement does not shield traders from traditional commodities enforcement.

The wire fraud count reinforces the point. Even if the commodities counts were to face statutory-interpretation challenges at trial, the wire fraud charge provides a flexible, independent basis for liability. Any federal employee who trades in a market on the basis of classified information obtained through their employment faces wire fraud exposure.

Why This Matters for the Prediction Market Industry

The Van Dyke case has implications beyond a single defendant. Operators, traders, and institutional participants should note several takeaways.

1. Prediction markets are inside the federal enforcement perimeter.

The U.S. Attorney’s Office for the Southern District of New York, working with the CFTC’s general enforcement framework and the FBI’s counterintelligence division, moved quickly, unsealing the indictment within roughly four months of the underlying conduct. That is fast. Market participants should assume that blockchain analytics, exchange cooperation, and subpoena-driven identity resolution will be brought to bear on unusual trading patterns.

2. Stablecoin and VPN use do not provide meaningful anonymity.

The indictment traces Van Dyke’s USDC.e from Polymarket through a foreign cryptocurrency vault, into a centralized exchange, and out to a traditional brokerage account. The chain held together well enough to support forfeiture allegations. Centralized stablecoin issuers (Circle for USDC, Tether for USDT) routinely cooperate with U.S. law enforcement, and centralized exchanges enforce KYC. A VPN obscures IP geolocation but does not defeat blockchain tracing or subpoenas to off-ramps.

3. Consciousness-of-guilt conduct is often what makes the case.

The indictment devotes substantial attention to conduct after the trades: the account deletion request, the email address changes, the false statement to Polymarket, and the layered transfers through the vault and brokerage account. These facts are not elements of insider trading, but they are powerful evidence at trial and, in practice, often drive charging decisions. Defendants who might have had viable arguments on the merits frequently lose them in front of a jury because of what they did after the trades.

4. Clearance holders face elevated exposure.

Government employees with access to classified or otherwise nonpublic market-moving information sit at the apex of insider trading risk in this context. Nondisclosure agreements, SCI agreements, and position-specific NDAs create the “duty of trust and confidence” that anchors both the commodities insider trading counts and the wire fraud count. Clearance holders who trade prediction markets on topics adjacent to their work should assume that their position creates legal exposure regardless of whether they believe specific information is classified.

5. Operators should expect pressure on market design.

The Van Dyke markets involved geopolitical and military outcomes, exactly the type of contract that invites concerns about information asymmetry between government insiders and the public. Operators of prediction markets should anticipate regulatory and political pressure to conduct market suitability reviews, conduct unusual trading surveillance, implement geofencing, and establish cooperation protocols with federal authorities. The 2022 CFTC consent order against Polymarket’s operator already contemplates certain restrictions, and cases like this one will likely sharpen those expectations.

Defense Considerations

Without taking a view on the specific facts, there are several legal questions that any defense in a case like this would probe. These are worth understanding for anyone thinking about exposure in this space.

• Materiality and market effect. The commodities insider trading statutes require that the information “may affect and tend to affect” the price of the commodity. The government will need to establish that the information in Operation Absolute Resolve was, in fact, price-sensitive for these specific contracts, not merely that it was classified.
• Scope of the duty. Wire fraud and Rule 180.1 both require a breach of duty. The indictment identifies the SCI nondisclosure agreement and the Western Hemisphere Operations nondisclosure agreement as the sources of that duty. The specific language of those agreements, and their applicability to the particular information at issue, will be litigated.
• Swap classification. The premise that Polymarket binary-event contracts are “swaps” subject to the Commodity Exchange Act is not new, but it has not been comprehensively tested in a criminal case with contested liability. A well-resourced defense might probe this.
• Venue. The case is venued in the Southern District of New York because Polymarket is headquartered in Manhattan. The defendant is stationed in the Eastern District of North Carolina. Venue questions occasionally produce favorable outcomes for defendants.
• Section 1957 predicate. The money laundering count depends on the underlying offense qualifying as a specified unlawful activity. If the commodities and wire fraud counts survive challenge, § 1957 follows. If they do not, it does not.

None of these observations suggests the indictment is weak. On the facts as alleged, the government has built a detailed, multi-layered case with substantial documentary and blockchain evidence. The points above are the contours of the legal landscape any defense team would explore.

How Hodder Law Can Help

Hodder Law advises clients across the prediction market, stablecoin, and digital asset ecosystem on the issues raised by this case. Our practice includes:

• Compliance and regulatory counseling for prediction market operators, including market design review, surveillance protocols, and cooperation with federal authorities.
• Advising institutional and retail traders on exposure under the Commodity Exchange Act, federal wire fraud statutes, and money laundering laws.
• Representation and co-counsel in federal investigations and enforcement matters involving cryptocurrency, stablecoins, and on-chain trading activity.
• Civil asset forfeiture defense in which federal authorities have frozen or seized USDC, USDT, or other digital assets associated with trading activity.

If you are an operator, a market participant, or an employer of individuals who may trade prediction markets in connection with sensitive work, and you have questions about the implications of the Van Dyke case or your own compliance posture, contact Hodder Law for a confidential consultation.

Disclaimer: This post is for informational purposes only and does not constitute legal advice. It discusses an ongoing federal criminal proceeding based on publicly available charging documents. The defendant is presumed innocent unless and until proven guilty. Legal theories discussed here may develop or change as the case proceeds. Transmission or receipt of this information does not create an attorney-client relationship between the reader and Hodder Law.

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Legal References

Primary Source Documents

• U.S. Department of Justice, Office of Public Affairs, “U.S. Soldier Charged With Using Classified Information To Profit From Prediction Market Bets” (April 23, 2026).
• United States v. Gannon Ken Van Dyke, No. 26 Cr. 156 (S.D.N.Y.), Indictment (unsealed April 23, 2026).

Statutes

• Commodity Exchange Act, 7 U.S.C. §§ 1 et seq.
• 7 U.S.C. § 6c(a)(3) (use of confidential government information for personal gain).
• 7 U.S.C. § 6c(a)(4)(C) (theft of nonpublic government information).
• 7 U.S.C. § 9(1) (commodities fraud, anti-manipulation).
• 7 U.S.C. § 13(a)(5) (criminal penalties).
• 18 U.S.C. § 1343 (wire fraud).
• 18 U.S.C. § 1957 (engaging in monetary transactions in property derived from specified unlawful activity).
• 18 U.S.C. § 981 and 18 U.S.C. § 982 (forfeiture).
• 21 U.S.C. § 853 and 28 U.S.C. § 2461 (forfeiture procedures and substitute assets).

Regulations

• 17 C.F.R. § 180.1 (CFTC anti-manipulation and anti-fraud rule).

Related Regulatory History

• In re Blockratize, Inc. d/b/a Polymarket.com, CFTC Docket No. 22-09 (January 3, 2022) (consent order regarding unregistered binary options).

Doctrinal Background

• United States v. O’Hagan, 521 U.S. 642 (1997) (misappropriation theory of insider trading).
• Carpenter v. United States, 484 U.S. 19 (1987) (wire fraud and breach of duty of confidentiality).