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Connecticut Sues Kalshi to Block Sports Prediction Contracts

Connecticut officials have sued Kalshi, arguing its sports-related event contracts are unlicensed online sports wagers under state law.
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Joe Boozell Avatar
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Bonus TL;DR

  • Connecticut sued Kalshi, arguing its sports prediction contracts are unlicensed sports betting that bypass state gambling safeguards.
  • The case tests whether sports prediction markets are state-regulated gambling or federally regulated financial derivatives.

Connecticut officials have sued Kalshi to stop the company from offering sports-related event contracts to residents, arguing the products amount to unlicensed online sports wagering under state law.

The lawsuit escalates a widening fight over whether sports prediction markets should be treated as gambling regulated by states or as federally overseen financial products. For bettors and operators, the case is another test of how far prediction market platforms can go in offering sports contracts outside traditional sportsbook licensing frameworks.

Attorney General William Tong, Department of Consumer Protection Commissioner Bryon Cafferelli and Gov. Ned Lamont announced the suit. According to the state, Kalshi’s exchange lets users buy yes-or-no contracts tied to future outcomes, including team and player wins, season totals, league rankings, point totals, point spreads and individual player statistics.

Connecticut says those offerings are effectively sports bets and therefore illegal without state authorization. Tong said, “These laws exist for a reason,” as officials argued the contracts are not meaningfully different from traditional sports wagering.

Connecticut says the products bypass state gambling safeguards

State officials said Connecticut’s consumer protection and gambling laws are designed to protect minors, address problem gambling, and safeguard customer funds and personal information.

Lamont said the state legalized sports wagering in 2021 to create a regulated market with its tribal partners. Officials also said prediction market platforms may be available to minors and to people who have placed themselves on gambling self-exclusion lists.

Cafferelli said the platforms are marketed as investments even though Connecticut believes they operate in ways that are indistinguishable from sports betting.

This latest lawsuit follows action by the Department of Consumer Protection’s Gaming Division in December 2025, when it moved against Kalshi and two other platforms and ordered them to stop offering what the state described as unlicensed online sports wagering in Connecticut. The companies were also directed to withdraw money held on their platforms.

Federal court fight is still unfolding

Kalshi has pushed back in court, arguing that its prediction contracts are swaps regulated exclusively by the Commodity Futures Trading Commission rather than by state gambling regulators.

That argument has already been tested once in Connecticut. U.S. District Judge Vernon Oliver denied Kalshi’s request for a preliminary injunction against the state’s enforcement efforts, and Kalshi has appealed to the Second Circuit Court of Appeals.

The broader regulatory fight is also continuing outside the state case. The CFTC has sued Connecticut and two other states, taking the same basic position as Kalshi that prediction markets fall under exclusive federal oversight. Connecticut, for its part, has filed a motion seeking dismissal of that lawsuit.

What comes next is likely to matter beyond one state. The immediate question is whether Connecticut wins an injunction blocking Kalshi’s sports contracts in the state, while the longer-running issue is whether courts ultimately classify those products as state-regulated gambling or federally regulated derivatives.

Source: As reported by fox61.com.

About the Author
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Joe Boozell is the Content Lead at Bonus.com. He specializes in online casino and sportsbook bonus strategy, sweepstakes casinos, and U.S. gambling legislation, with a focus on evaluating real player value. Over the past decade, he has managed and produced iGaming content across national and state-level brands, including PlayUSA and several regional Play markets. He also spent five years as a Lead Writer for NCAA.com covering college basketball. Find more of Joe’s work at Bonus.com and across the Play network of gambling sites.

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