CME vs Kalshi: the prediction market fight that just went personal at the CFTC

CME Chairman Terry Duffy and Kalshi co-founder Luana Lopes Lara traded insults at a CFTC roundtable over whether prediction markets are legitimate financial infrastructure or carnival games. The confrontation is the public face of a deeper regulatory battle between federal and state authorities, incumbent exchanges and startups, and two incompatible visions of what derivatives markets should look like. Summary CME Group Chairman Terry Duffy and Kalshi co-founder Luana Lopes Lara clashed during a CFTC roundtable on prediction markets in Washington, D.C., on Aug. 21, 2026, in an exchange that featured personal insults, sarcasm about hot dog eating contests, and competing claims about market manipulation. Duffy called prediction market operators “carnival barkers” and said CME has “more people in my regulatory department than you have in your whole company,” to which Lara responded that CME should “learn a bit about efficiency.” The confrontation reflects a broader fight between federal and state regulators over whether prediction market contracts are federally regulated derivatives or state-level gambling products, with the CFTC suing states that attempt to block Kalshi’s operations....