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Tensions Flare as CME, Kalshi Execs Clash Over Prediction Markets in DC

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A Commodity Futures Trading Commission roundtable in Washington, D.C., erupted into a public dispute between the heads of two major financial exchanges, highlighting deep-seated tensions over the regulation of prediction markets. CME Group Chairman Terry Duffy and Kalshi co-founder Luana Lopes Lara exchanged pointed criticisms during the Thursday meeting, focusing on market integrity and regulatory oversight. The confrontation occurred as the CFTC convened executives from traditional finance, cryptocurrency platforms, and prediction market firms to debate how event contracts should be regulated. Duffy, whose CME Group operates the world's largest futures exchange, expressed serious concerns about the susceptibility of prediction markets to manipulation. He distinguished his established exchange from newer platforms, stating, "We're not a bunch of carnival barkers at a circus." Duffy specifically targeted Kalshi, mocking one of its contracts related to a competitive eating contest as lacking economic importance. He questioned why Kalshi could list a compute prediction market while a similar CME proposal remained under regulatory review. The exchange shifted when Lara challenged Duffy on CME's own historical compliance, asking if the firm had ever faced manipulation issues. The exchange escalated with personal remarks about company size and efficiency. Duffy asserted that his regulatory department alone is larger than Kalshi's entire company, to which Lara retorted, "Maybe you should learn a bit about efficiency then." Moderator Walt Lukken intervened as Duffy countered by questioning the credibility of Kalshi's markets. Later, DraftKings CEO Jason Robins called for civility, urging participants to refrain from attacking each other's business models to advance the discussion. Lara argued that manipulation risks are not unique to prediction markets, stating that every nascent market has risks and that proper regulation is designed to identify and address them. The clash underscores a broader regulatory battle over prediction markets, which allow users to wager on event outcomes via futures contracts. Platforms like Kalshi and Polymarket are at the center of a jurisdictional fight between federal regulators and states over whether these contracts are regulated derivatives or state-governed gambling products. CFTC Chair Rostin Behnam has defended the agency's authority in this area.