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The NFL has again asked prediction market operators including Kalshi and Polymarket to remove football contracts that it believes create integrity, safety or manipulation risks. The request comes just before the 2026 regular season and during a wider legal fight over sports prediction markets in the US.
Good to Know
Rather than opposing every NFL prediction market, the league has focused on markets where a player, official or other individual can directly affect the result.
Examples include whether a kicker misses a field goal, whether the first quarterback pass falls incomplete, whether a receiver fails to complete the first target and whether a running back stays below a set yardage figure on the first carry. The NFL also wants contracts based on penalty flags removed.
Other categories cover player availability, injuries, misconduct, fan safety, celebrity attendance and broadcast mentions.
Perel wrote:
“It is deeply concerning that bets within the objectionable categories that we identified months ago have been and continue to be listed as contracts on exchanges.”
The NFL argues that contracts controlled by narrow events can create risks for players, coaches and officials, alongside concerns over game integrity.
The request lands during a growing dispute over who can regulate sports prediction markets.
A federal appeals court ruled on August 28 that Nevada can apply state gaming law to Kalshi sports event contracts, while New Jersey has asked the US Supreme Court to review a separate ruling that favored federal control.
Commercial links with major sports teams are growing at the same time. Kalshi announced partnerships with the Atlanta Braves, Boston Red Sox, Los Angeles Dodgers, San Diego Padres and San Francisco Giants in August. Kalshi said baseball trading volume had increased 36 times year over year.