New Jersey Takes Kalshi Case to Supreme Court: A Power Struggle in Sports Betting

On September 2, New Jersey filed a petition with the U.S. Supreme Court, challenging a lower court's ruling that gave the Commodity Futures Trading Commission (CFTC) exclusive jurisdiction over sports betting contracts on the Kalshi platform. Behind this legal procedure lies a big question: who controls the flow of sports betting money – the states or the federal government? Kalshi, a prediction market based in New York, allows users to bet on the outcomes of sporting events, from the NFL to European football. New Jersey, which legalized sports betting in 2026, fears that if the CFTC has exclusive authority, they will lose hundreds of millions of dollars in tax revenue each year. "Three harmless data points combine into a map of money flow leading to a village without a football pitch," I once wrote, and here, data on New Jersey's betting revenue is drawing a contentious map of power. The context began in 2026, when the U.S. Supreme Court struck down the Professional and Amateur Sports Protection Act (PASPA), giving states the right to legalize sports betting. New Jersey was the first state to take advantage, and since then, over 30 states have followed. However, the emergence of prediction platforms like Kalshi created a legal gray area. Kalshi does not call itself a sportsbook, but rather a futures exchange where users trade contracts based on event outcomes. The CFTC, which regulates futures markets, claims these contracts fall under its jurisdiction under the Commodity Exchange Act. In April, a lower court agreed with the CFTC, ruling that the CFTC has exclusive jurisdiction. New Jersey, along with several other states, argues this violates states' rights to regulate gambling within their borders. They contend that Kalshi's contracts are essentially sports bets and thus should be subject to state regulation, including licensing, taxation, and consumer protection. New Jersey's argument rests on federalism: each state has the right to regulate gambling within its borders. They point out that Kalshi operates nationwide, but users in New Jersey bet through the platform without paying state taxes. This creates a major loophole in the tax system. According to data from the American Gaming Association, New Jersey collected over $500 million in sports betting taxes in 2026. If Kalshi goes unregulated, that number could drop significantly. Second, there is the issue of sports integrity. States have strict regulations to prevent match-fixing and monitor unusual betting patterns. Kalshi, as an exchange, may not have similar measures. The CFTC, focused on financial markets, may lack sports expertise. "People call me a skeptic; I call myself someone who reads the books behind the pitch," I often say. Here, I read the CFTC's books and see they have no department dedicated to sports. Third, there is the difference between futures contracts and sports betting. A futures contract typically relies on commodity prices, while a sports bet relies on game outcomes. But Kalshi has designed its contracts to avoid being classified as betting, using terms like "event" instead of "game." However, in essence, users are still betting on which team wins. New Jersey argues this is a legal dodge, and the Supreme Court needs to clarify. If the Court upholds the lower court's ruling, states will lose control over a large portion of the betting market. Conversely, if the Court sides with New Jersey, Kalshi and similar platforms would need licenses in each state, increasing compliance costs. This could lead Kalshi to exit some markets or raise fees for users. "The transfer market never lies if you read the agent fee column instead of the player price column," I once wrote. Similarly, the betting market never lies if you read the regulatory fee column instead of the odds column. Here, the regulatory fee is the question of power. However, there is a counterintuitive perspective. One could argue that CFTC regulation of Kalshi is reasonable because it creates a uniform national framework, avoiding overlapping and conflicting state regulations. States may lack the capacity to regulate complex exchanges like Kalshi, which operate across borders. Moreover, Kalshi is not a traditional bookmaker; it is a prediction market where prices reflect probabilities. This could benefit consumers by providing more accurate information. But I think this argument ignores the fact that users in New Jersey are still engaging in gambling, and the state has a duty to protect them. "Sports culture is most beautiful when viewed from the stands; most disgusting when viewed from the accounting office," I once said. The CFTC's accounting office may be clean, but they don't understand sports culture. The Supreme Court will decide whether to hear the case. If they do, it will be a landmark ruling that reshapes the entire sports betting industry in the U.S. If they decline, New Jersey will have to accept CFTC jurisdiction, and other states will need to adapt. Regardless of the outcome, the core question remains: who truly protects fans and the integrity of the game? As money flows through digital platforms, the line between betting and investing becomes increasingly blurred. And as I always say, read the books, don't just look at the score.