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Norms Impact

2 young billionaires are behind the prediction market boom. They hate each other

Federal regulators are signaling self-policing for prediction markets even as presidential-family influence spans rival platforms, weakening anti-corruption guardrails and normalizing conflicted governance.

Economy

Mar 6, 2026

Sources

Summary

Two rival executives, Kalshi CEO Tarek Mansour and Polymarket CEO Shayne Coplan, are driving a boom in prediction markets while publicly and operationally escalating a feud over legitimacy and scale. Federal posture has shifted as the Commodity Futures Trading Commission chairman has affirmed prediction markets should flourish and largely police themselves, while the Trump administration cleared the way for Polymarket to open a U.S.-based exchange after dropping a prior probe. The practical consequence is rapid expansion of high-stakes political and geopolitical wagering under contested oversight, with industry power consolidating around firms aligned with presidential family influence.

Reality Check

Allowing a fast-growing, politically sensitive financial wagering industry to “largely police” itself while presidential-family influence touches competing market leaders weakens our basic anti-corruption expectations for federal governance. When enforcement and regulatory access appear to track proximity to power, the public is trained to accept a two-tier system where legitimacy is negotiated rather than earned through consistent rules. This is prosecutable corruption risk territory in practice: normalization of conflicted influence and selective clearance corrodes rule-of-law discipline and invites future administrations to trade regulatory outcomes for loyalty. Over time, that precedent undermines regulatory independence and turns market oversight into a political asset rather than a public duty.

Media

Detail

<p>Kalshi CEO Tarek Mansour has publicly differentiated Kalshi from Polymarket, describing an “unregulated, offshore prediction market” that users confuse with Kalshi. After the FBI raided Polymarket CEO Shayne Coplan’s home in November 2024, Mansour said in December that Kalshi staffers coordinated with influencers to circulate memes mocking Coplan.</p><p>Both firms have pending U.S. Patent and Trademark Office applications for “the world’s largest prediction market,” and both have announced competing media partnerships and promotional efforts, including temporary grocery giveaways in New York City.</p><p>Kalshi pursued federal regulation and operates under Commodity Futures Trading Commission oversight. Polymarket launched without regulator approval and operates its most popular exchange overseas, accessible in the U.S. via VPN. The FBI raid was tied to a Biden-era money-laundering investigation that was later dropped under President Trump, and the Trump administration “cleared the way” for Polymarket to open a U.S.-based exchange.</p><p>CFTC Chairman Michael Selig has said prediction markets should largely police themselves and has vowed to defend Kalshi in court against states suing under state gambling laws. Donald Trump Jr. advises both companies, and his firm 1789 Capital has invested in Polymarket.</p>