NFL argues Kalshi's sports contracts are gambling in Supreme Court brief

The NFL has made a significant move in the ongoing debate over the classification of sports prediction markets by filing an amicus brief urging the Supreme Court to hear New Jersey's case concerning Kalshi's sports contracts. In this brief, the league contends that these contracts should be classified as gambling rather than as swaps regulated by the Commodity Futures Trading Commission (CFTC). This distinction is crucial as it influences the legal framework governing sports prediction markets and their operation within the United States.
The context of this case is rooted in the broader discussion surrounding sports betting and prediction markets, especially following the Supreme Court's decision in 2018 to strike down the federal ban on sports betting. Since then, numerous states have legalized various forms of sports wagering, and companies like Kalshi have emerged to offer innovative contracts that allow users to bet on the outcomes of sporting events. The NFL's position highlights the increasing scrutiny and regulatory challenges that these markets face as they seek to establish themselves within the legal landscape of gambling.
This legal battle could have significant implications for the market. If the Supreme Court sides with the NFL, it could set a precedent that categorizes prediction markets as gambling, potentially subjecting them to more stringent regulations. This would not only affect Kalshi but could also impact other platforms operating in the same space, potentially stifling innovation and limiting consumer choice in a rapidly growing market.
Reactions within the industry have been mixed, with some experts applauding the NFL's stance as necessary to protect the integrity of sports, while others view it as an attempt to stifle competition in a market that could benefit consumers. Advocates for prediction markets argue that categorizing these contracts as swaps would allow for a more regulated and transparent market, ultimately benefiting both consumers and the industry as a whole.
Looking ahead, the Supreme Court's decision on whether to hear the case could have far-reaching consequences. If the Court agrees to take it on, we may see a protracted legal battle that further clarifies the distinction between gambling and financial instruments in the realm of sports. This case could act as a bellwether for the future of prediction markets and their acceptance under U.S. law.
CoinMagnetic Team
Crypto investors since 2017. We trade with our own money and test every exchange ourselves.
Updated: October 2026
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