CoinDesk
Connecticut sued Kalshi this week, asking a federal court to enforce the state's order to halt the platform's sports betting operations. The filing by Attorney General William Tong escalates a multi-front legal war that now involves nearly half of US states, with court outcomes so far splitting roughly 50-50 according to Kalshi itself.
Why it matters
The suit turns on whether federally regulated prediction market platforms are exempt from state gambling laws. Connecticut's complaint argues that "sports event contracts are no different than sports betting" and must fall under state consumer protection rules covering minors, problem gambling, and fund safety. Kalshi's head of litigation Jovy Dedaj counters that the state is arbitrarily targeting his company while letting rival prediction markets operate, calling the enforcement "nothing to do with consumer protection."
The CFTC, now led by Chair Mike Selig, has sided with Kalshi and sued Connecticut and other states for trying to police event contracts. Selig, installed by President Donald Trump, has launched formal rulemaking for bespoke federal oversight of the sector. The federal-versus-state split is producing sharply different outcomes: the Third Circuit stopped New Jersey's ban, a federal judge halted Arizona's criminal pursuit, but Kalshi has had to pull its product elsewhere.
Market impact
The fragmented landscape points toward a Supreme Court showdown. Kalshi has noted the near-even split in rulings, and the CFTC plus outside legal observers say only the Supreme Court can settle whether event contracts are federally preempted gambling or CFTC-regulated derivatives. For Kalshi and rivals including Polymarket, that uncertainty caps growth across roughly half the country until the legal fog clears.
Frequently asked questions
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Why did Connecticut sue Kalshi?
Connecticut AG William Tong sued to enforce a state order halting Kalshi's sports betting, arguing sports event contracts are indistinguishable from sports gambling and should fall under state consumer protection laws covering minors and problem gambling.
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How many US states are suing Kalshi?
Nearly half of US states have picked legal fights against Kalshi and similar prediction market platforms, with court rulings so far splitting roughly 50-50 per Kalshi itself.
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What is the CFTC's role in the Kalshi lawsuits?
The CFTC, now led by Chair Mike Selig, has sided with Kalshi against the states and is suing Connecticut and other jurisdictions back, arguing that federally regulated trading platforms fall outside state gambling authority.
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Will the Supreme Court have to decide the Kalshi case?
Legal experts and the CFTC say the split court outcomes and federal-versus-state rift make Supreme Court intervention likely, though the high court has not yet taken up the case.
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Which prediction markets are affected besides Kalshi?
The litigation threatens the broader prediction market sector, including Polymarket and other event-contracts platforms that Kalshi argues are being treated inconsistently by state regulators.
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