NFL goes against federal government and asks Supreme Court to rule on prediction markets

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The NFL is calling on the Supreme Court to intervene in the regulation of prediction markets, arguing in an amicus brief submitted Thursday that state authorities already overseeing legal sportsbooks are better equipped to supervise sports-related contracts "given the current landscape."

Supporting a legal petition from New Jersey, the league wants the high court to resolve an ongoing dispute over who holds governing authority over these platforms, which allow users to trade on the outcomes of future events.

While the Commodity Futures Trading Commission claims sole federal jurisdiction, individual states contend that binary, yes-or-no event contracts function like traditional gambling and fall under state oversight.

"Absent the clarity that only this Court can provide, (prediction market) operators will continue exploiting the gap between state and federal regulation, endangering consumers and the integrity of sports events across the country," legal counsel for the NFL stated in the filing.

The league highlighted its massive financial presence on these platforms, noting that more than half of all trading volume on prediction markets during the opening Sunday of the current season, $1.8 billion of a $3.3 billion total, was tied to its games.

"Any delay from the Court will result in increasing consumer harm and risk to game integrity," the NFL wrote.

In response, Kalshi spokesperson Elisabeth Diana emphasized that market integrity is the platform's primary focus, citing established partnerships with Major League Baseball, the NHL, and other sports bodies.

"Contrary to the NFL’s statements, the CFTC is actively policing sports-related markets, which are now listed on nearly every U.S. commodities exchange," Diana stated. "The CFTC’s ongoing rulemaking addresses many of the NFL’s supposed concerns. And those rules sit atop the same comprehensive system of federal enforcement that protects trillions of dollars of transactions in U.S. markets."

A spokesperson for Polymarket noted that the platform "shares the NFL’s commitment to preserving the integrity of the game," while working toward "a harmonized federal framework that delivers a stronger, more consistent form of integrity compared to a patchwork of disconnected state laws built for a bygone era."

On Wednesday, Ohio lodged a brief encouraging the justices to back New Jersey and maintain state powers to oversee prediction markets alongside casino gambling and sports betting. A bipartisan coalition of 38 states joined the filing, including attorneys general from California, New York, Pennsylvania, Illinois, Missouri, Arkansas, and South Carolina.

With roughly 20 states involved in lawsuits over prediction markets, conflicting federal appellate decisions have increased the likelihood of Supreme Court review. The 6th and 9th U.S. Circuit Courts of Appeals ruled in favor of states seeking regulatory authority, whereas the 3rd U.S.