Insider Trading Flags Overwhelm CFTC as Prediction Platforms Refer Dozens of Cases

Prediction market platforms are referring suspected insider traders to the CFTC at a rapid pace. Kalshi has flagged over 50 traders in 2026 and referred 32 possible cases in the three months ending in June. Polymarket has referred more than 90 account holders. Despite these volumes and up to 20 open investigations tied to Kalshi evidence, the CFTC has brought civil charges against just three prediction market traders.

A dozen other platforms operate in the U.S. The mismatch between referrals and actions traces to both staffing shortages and limits in the existing regulatory framework.

CFTC Staffing Cuts Weigh on Enforcement

The agency is running with its smallest staff in at least two decades after cuts by the Trump administration. The enforcement division numbers about 100 people tasked with overseeing a multitrillion-dollar commodities market. In Chicago the division fell from roughly 20 trial attorneys to effectively none after the last one resigned in February.

Fiscal 2024 produced 58 enforcement actions and a record $17.1 billion in monetary relief. The next 12 months yielded 11 actions and less than $1 billion in relief, with less than $10 million credited to the current administration. Sen. Elizabeth Warren asked the GAO in July to examine whether a 25% staffing drop since January 2025 has weakened enforcement as new responsibilities in prediction markets and digital assets loom.

“Given reasonable concerns that staffing cuts may have a material impact on the CFTC’s ability to carry out its mandate as required by current law, I request that the GAO thoroughly review the staffing cuts,” Warren wrote. CFTC Chair Michael Selig remains the commission’s only sitting member and has pledged pursuit of illegal use of confidential information.

Regulatory Gaps in Policing Prediction Market Conduct

Rules developed for stocks and commodities do not map cleanly onto event contracts. Conduct such as elected officials trading on private knowledge often falls outside classic insider-trading definitions. Former New York Congressman George Santos received a $35,000 fine after making $17,000 on a Kalshi contract tied to his State of the Union attendance; authorities charged market manipulation rather than insider trading.

More than 40 lawmakers have pressed the CFTC and Office of Government Ethics to warn federal employees after a Polymarket user netted nearly $410,000 betting on the capture of Nicolas Maduro. Congress is considering the Public Integrity in Financial Prediction Markets Act to bar officials from certain contracts. The CFTC has rejected broad prohibitions on high-risk events, preferring contract-by-contract review.

According to reporting by Gambling Insider, platforms continue to flag misconduct by the dozen while feeding an enforcement system that cannot keep pace. Regulators will need to decide whether to seek added resources, narrower rules, or both if these markets keep expanding.

Reporting: Gambling Insider

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