Connecticut Prediction Markets: The Enforcement Fight Behind a Court-Ordered Truce

Sports event contracts generally remain reachable for Connecticut residents on the major CFTC-registered platforms, because a federal court paused the state’s cease-and-desist enforcement in December 2025 and that standstill has not been lifted. Connecticut has not passed a law banning prediction markets, no permanent injunction has issued for either side, and two federal cases — Kalshi’s challenge to the state and the CFTC’s countersuit against the state — are pending before the same judge in the District of Connecticut. This is a live fight, not a settled ban.

Prediction markets occupy a contested gray zone in Connecticut rather than a clear yes or no. The short version: the state says the sports contracts are illegal gambling under Connecticut law and tried to shut them off; a federal judge told the state to hold that enforcement while the legal question gets sorted; and so the contracts keep loading for now. Nothing about that arrangement is permanent, and it rests entirely on court orders rather than on any statute that welcomes these platforms.

Dig into the why and the picture sharpens. Connecticut never wrote a prediction-market law of any kind, welcoming or banning. What it has instead is a comprehensive 2021 gambling-expansion framework — the statute that legalized online sports wagering and online casino play through the tribes — plus a Gaming Division inside the Department of Consumer Protection whose job is to police anyone taking bets without a state license. The Division looked at Kalshi, Robinhood, and Crypto.com offering contracts on who wins a game and concluded they were doing exactly what a licensed sportsbook does, only without the license, the tribal partnership, the tax, or the age-21 gate. The platforms answer that their contracts are federally regulated derivatives listed on exchanges the CFTC oversees, and that Congress gave that federal regulator the final word, leaving Connecticut no room to treat the products as gambling. A federal judge has not yet resolved which side is right. He has only decided that, until he does, Connecticut may not enforce its order — which is why the honest answer to the headline question is “contested and court-frozen,” not “legal” or “banned.”

Connecticut moved as part of a wave of state enforcement that swept through late 2025, but it moved with unusual specificity. On December 2, 2025, the Department of Consumer Protection’s Gaming Division issued cease-and-desist letters, made public the following day, directing named platforms to immediately stop advertising, offering, promoting, or otherwise making available their contracts to Connecticut residents. The Gaming Division framed the targets in regulatory terms that map cleanly onto the federal structure: two CFTC-registered designated contract markets and one registered futures commission merchant. In plain terms, that meant Kalshi and Crypto.com’s derivatives arm on the exchange side, and Robinhood’s derivatives brokerage on the distribution side. Coverage from CoinDesk and iGaming Business at the time listed the trio as Kalshi, Robinhood, and Crypto.com, and Polymarket’s newly domesticated QCEX exchange drew Connecticut’s attention in the same window as it launched its US reentry.

The language from Connecticut officials was blunt. Department Commissioner Bryan T. Cafferelli said none of the entities held a license to offer wagering in the state, and that even if they did, their contracts violate numerous other state laws and policies, including offering wagers to individuals under the age of 21. Gaming Division Director Kris Gilman put the deception theme front and center, saying the platforms were deceptively advertising that their services are legal, but that the state’s laws are clear. The letters themselves accused the companies of conducting unlicensed online gambling, more specifically sports wagering, and warned that noncompliance could bring civil or criminal penalties. The age point was not incidental. Connecticut sets 21 as the floor for sports wagering, while these exchanges generally admit traders at 18, and that three-year gap became one of the state’s cleanest talking points.

What Connecticut pointedly did not do was pass a ban. Unlike Minnesota, which enacted and then had blocked a criminal prohibition in 2026, Connecticut relied on the enforcement authority already sitting inside its existing gambling law. That choice shaped everything that followed, because an administrative cease-and-desist letter is far easier for a well-funded exchange to challenge in federal court than a duly enacted statute — and Kalshi challenged it immediately.

Rather than comply or negotiate, Kalshi sued. Within about a day of the letters going out, the company filed KalshiEX LLC v. Cafferelli in the United States District Court for the District of Connecticut, docketed as No. 3:25-cv-02016 and drawn to U.S. District Judge Vernon D. Oliver. The named defendant, Bryan Cafferelli, is the Consumer Protection commissioner whose department issued the order. Kalshi’s complaint made the argument it has made in more than half a dozen states: as a CFTC-registered designated contract market, it lists federally regulated event contracts, and the Commodity Exchange Act strips a state gaming regulator of authority to treat those contracts as illegal bets. The company moved for a preliminary injunction on December 5, 2025.

Judge Oliver did not rule on the merits, but he did keep the state’s hand off the switch. Through a stipulation the parties worked out, the court ordered the Connecticut defendants to refrain from taking any enforcement action against Kalshi over the conduct described in the December cease-and-desist letter, pending the court’s disposition of the preliminary-injunction motion. Reporting from covers.com, SBC Americas, and others framed it accurately: a federal court had paused Connecticut’s crackdown before it could bite. The judge set a briefing calendar — the state’s response due January 9, 2026, Kalshi’s reply due January 30 — and scheduled oral argument for February 2026, with mid-February the target date. That hearing tees up whether the temporary freeze hardens into a preliminary injunction or dissolves.

As things stood on August 2, 2026, no public order has converted that standstill into a final preliminary-injunction ruling for either side, and the freeze on enforcement has held throughout. The practical effect is that Connecticut’s letters, however forceful in tone, have never actually forced a platform out of the state. Robinhood and Crypto.com, which elsewhere have sometimes withdrawn sports contracts voluntarily to avoid contempt exposure, faced no court-ordered exit here because the state itself was enjoined from acting. That is a meaningful contrast with places like Nevada, where a platform that kept operating did so in defiance of a live state order; in Connecticut the operators kept operating with a federal judge’s blessing to ignore the state order until he rules.

To understand the intensity of the state’s reaction, look at how Connecticut structured legal betting in the first place. When the General Assembly authorized online sports wagering and online casino gaming in 2021, it did not open the market to all comers. It routed everything through the two tribal nations that operate the state’s brick-and-mortar casinos. The Mashantucket Pequot Tribal Nation, which runs Foxwoods, partnered with DraftKings. The Mohegan Tribe, which runs Mohegan Sun, partnered with FanDuel. A third online skin runs through the Connecticut Lottery, which uses Fanatics. That is the entire licensed field — three operators, each tethered to a tribal or state entity, each paying into a revenue-sharing arrangement that funds the state.

The money is not trivial. Connecticut’s regulated online casino market alone has grown into one of the more productive iGaming markets in the Northeast, handling well over a billion dollars a year, with tribal-partner operators DraftKings and FanDuel as the only legal online casino options in the state after Connecticut banned online sweepstakes casinos effective October 1, 2025. Every one of those dollars is possible because the tribes bargained for exclusivity, and exclusivity only has value if the state defends it. A CFTC-registered exchange that lets a Connecticut resident bet on the same NFL game the tribes offer — without a tribal partnership, without the state’s tax, without the 21-and-over rule — undercuts the exact deal the state signed. Seen that way, the Gaming Division’s cease-and-desist letters were not only a consumer-protection move. They were a defense of a protected market and the revenue stream it feeds. That protectionist motive is one Kalshi has been happy to point at, casting the state as guarding an incumbent monopoly rather than the public.

It also explains a quiet absence from Connecticut’s target list. DraftKings and FanDuel both launched their own prediction-market products nationally in December 2025, yet neither switched on sports contracts for Connecticut. The reason is leverage identical to what played out in Massachusetts: a company holding a valuable tribal-partnered Connecticut license has everything to lose by testing an unsettled federal theory against the very regulator that controls that license. So the sportsbook giants kept their Connecticut prediction products dark, and the fight fell to the pure-play exchanges that hold no state license to protect.

The dispute stopped being purely a Kalshi-versus-Connecticut matter on April 2, 2026, when the federal government went on offense. The Commodity Futures Trading Commission, joined by the Department of Justice, sued Connecticut in the same District of Connecticut, in a case docketed as No. 3:26-cv-00498 and, like Kalshi’s suit, assigned to Judge Oliver. Connecticut was not singled out; the CFTC filed a coordinated trio of suits that day against Arizona, Connecticut, and Illinois, then extended the campaign to other states in the following weeks. The agency’s theory is aggressive and simple: it holds exclusive jurisdiction over event contracts traded on registered designated contract markets under the Commodity Exchange Act, and any state that tries to outlaw, tax, or restrain those markets is stepping on federal turf. The relief sought is a declaratory judgment that Connecticut’s enforcement is preempted, plus an injunction barring the state from punishing platforms for listing these contracts.

This posture reflects a deliberate reversal at the federal agency after its 2024 leadership change. Where the CFTC once contested Kalshi in court, it now positions itself as the platforms’ shield, with Chairman Michael Selig having declared in early 2026 that the agency would sue any state regulator interfering with a federally licensed operator. Connecticut is one of roughly nine states the CFTC took to court on that logic. For Connecticut residents, the upshot is that their state now faces pressure from two directions in the same courthouse — Kalshi’s private challenge and the federal government’s enforcement suit — both pushing the same preemption argument in front of the same judge.

Strip away the procedural back-and-forth and the Connecticut dispute reduces to one classification question that courts nationwide are wrestling with. Is a contract that pays out based on whether the Patriots cover the spread a federally regulated financial instrument, or is it a sports bet wearing a financial costume? Connecticut’s Gaming Division looked at the substance — a resident risking money on a game outcome — and saw wagering that its 2021 law reserves for licensed tribal operators. Kalshi and the CFTC look at the form — a standardized contract listed on a federally registered exchange, cleared like other derivatives — and see an instrument Congress placed under a single national regulator precisely so it would not fracture into fifty state rulebooks.

Connecticut’s strongest cards are the ones its officials led with. The products behave like bets, they are marketed to the same audience that uses sportsbooks, and they admit 18-year-olds in a state that decided sports wagering should start at 21. Those are not abstractions; they are the kind of practical, consumer-facing facts that some judges have found persuasive, and a divided appellate panel in the Third Circuit acknowledged in dissent that these offerings can be virtually indistinguishable from an online sportsbook. Kalshi’s strongest card is that the same Third Circuit’s majority, ruling in April 2026, held that sports event contracts are swaps and that federal law preempts a state’s gambling statutes as applied to them on a registered exchange. Judge Oliver is not bound by that out-of-circuit decision, and the national law is genuinely split — a federal appellate panel weighing the Nevada cases could still cut the other way — which is exactly why Connecticut’s own ruling is worth watching rather than assuming.

The notable no-shows are the tribal-partnered brands. DraftKings Predictions and FanDuel Predicts both launched nationally in December 2025, but each holds a Connecticut sportsbook and iGaming license through its tribal partner, and neither has switched on sports event contracts in the state — the same license-protection calculus that kept them out of Massachusetts. A Connecticut resident can bet sports with DraftKings or FanDuel here, but through their licensed tribal sportsbooks, not through their prediction-market apps. Smaller CFTC-era entrants such as Novig, ProphetX, and Fanatics Markets publish their own state lists that shift often; anyone chasing those should confirm Connecticut directly in the app before funding an account. For the complete roster, our prediction markets hub tracks each operator individually.

The mechanics are worth understanding, because they are the heart of the legal argument and they genuinely differ from a sportsbook. On a prediction-market exchange, you are not betting against a house that sets a line and profits from the vig. You are buying and selling a contract that is worth one dollar if it comes true and zero if it does not, depending on whether a stated event happens. A contract that reads “Team X wins Sunday” might trade at 60 cents. Buy it, and if Team X wins you collect a dollar, a 40-cent gain; if it loses, the contract expires worthless and you are out the 60 cents. Every price between one cent and 99 cents is the market’s live estimate of probability, and it moves as other traders buy and sell.

The order-book structure is what platforms lean on to argue they are not bookmakers. Your counterparty is another trader taking the other side of the same contract, not the operator. The exchange matches buyers and sellers and takes a small fee, much like a stock exchange, rather than booking your action and rooting against you. You can also sell a contract before the event resolves — cashing out at the current price to lock a gain or cut a loss — which is closer to trading a security than to a settled wager that lives or dies at the final whistle. Connecticut’s counter is that a resident who buys “Team X wins” and collects when Team X wins has, in every way that matters to a consumer, placed a sports bet, regardless of the plumbing underneath. Both descriptions are accurate; the legal fight is over which one controls.

Sports draw the traffic and the lawsuits, but they are only one aisle. A Connecticut resident browsing these exchanges will find contracts across several categories, and the non-sports ones have never been the focus of the state’s enforcement:

Nothing in Connecticut’s enforcement singled out weather, economic, or election contracts. The state’s entire theory was about sports wagering specifically, which mirrors the national pattern: even judges skeptical of the platforms have suggested that not every event contract is the same, and that any eventual limits might reach sports markets while leaving the rest alone.

For a resident deciding where to place a football bet, the two paths look similar on the surface and diverge sharply underneath. Connecticut’s licensed route runs through the tribal-partnered apps — DraftKings via the Mashantucket Pequot, FanDuel via the Mohegan Tribe, and a Fanatics skin via the Connecticut Lottery — all regulated by the Department of Consumer Protection, all taxed, all bound to a 21-and-over floor, and all plugged into the state’s consumer safeguards. When something goes wrong on one of those apps, a Connecticut bettor has a state regulator to complain to and a state self-exclusion tool to use. Our overview of Connecticut online sportsbooks walks through that licensed landscape in full, and the broader map of states with legal online sportsbooks shows where Connecticut fits nationally.

The prediction-market route offers something the sportsbooks cannot: an order book with no house edge in the traditional sense, the ability to trade out of a position early, contracts on politics and economics that a sportsbook would never list, and entry at 18. But it strips away the state layer entirely. A Connecticut resident trading on Kalshi or Crypto.com is dealing with a federally regulated exchange that answers to Washington, not Hartford. There is no Connecticut license behind it, no state self-exclusion registry covering it, and no state complaint desk if a dispute arises. That trade-off — broader products and a different market structure, minus the state consumer-protection scaffolding — is the practical decision a resident is really making, and it is the same trade-off the courts are arguing about in legal language. Readers comparing sportsbook options generally can start at our online sportsbooks hub.

The gap between the two systems is sharpest on protection and reporting. Connecticut’s licensed sportsbooks operate inside a state framework that includes a self-exclusion program, mandated responsible-gambling tools, and a regulator with the power to discipline operators. The CFTC-registered exchanges sit outside all of that. There is no Connecticut self-exclusion list that reaches Kalshi, no state-supervised dispute process if a settlement is contested, and the age floor is typically 18 rather than the 21 the state requires of its licensed books — the very mismatch Commissioner Cafferelli seized on. A resident who has self-excluded from Connecticut sportsbooks would find nothing stopping them from opening an exchange account, which is a real hole worth naming plainly.

Taxes add their own uncertainty, and none of this is tax advice. The exchanges do not treat winnings the way a sportsbook does. Kalshi, for example, has not issued 1099-B forms for event-contract activity, and the IRS has offered no formal ruling on whether gains from these contracts are gambling income, capital gains, or something governed by the special rules for regulated futures. Two residents with identical trades on different platforms could face different reporting depending on whether the product is exchange-native or distributed through a brokerage. The safe posture for a Connecticut trader is to keep independent records of every position and settlement and to expect no help from a platform-issued form, because the reporting infrastructure that sportsbooks and casinos have built simply is not there yet for event contracts.

Set against its neighbors, Connecticut lands in the aggressive-but-restrained middle. It went further than states that merely watched and waited, issuing formal cease-and-desist letters and later becoming a CFTC defendant. But it stopped short of the criminal route Arizona took or the outright statutory ban Minnesota briefly enacted. New York, next door in spirit if not geography, escalated hardest of all, with its attorney general filing a state-court petition in July 2026 seeking enormous penalties. New Jersey produced the industry’s biggest appellate win. Connecticut, by contrast, threw an early punch and then got frozen by its own federal court, leaving it in a holding pattern that depends more on Judge Oliver’s calendar than on anything the state can do next.

Several developments could break the stalemate. The most immediate is a ruling from Judge Oliver on the preliminary-injunction motion argued in February 2026; a decision either grants Kalshi its injunction and cements the platforms’ access or dissolves the standstill and reopens the door to state enforcement. The CFTC’s own suit against Connecticut, filed in April, adds a second front that could produce a preemption ruling independent of Kalshi’s case. Looming over both is the national picture: a federal appellate decision in the consolidated Nevada appeals, still pending in the summer of 2026, could create a clean split among the circuits and push the whole question toward the U.S. Supreme Court, whose eventual answer would bind Connecticut regardless of what Judge Oliver decides. And Congress could short-circuit everything — a federal bill introduced in March 2026 to bar these exchanges from listing sports and casino-style contracts would, if it ever passed, moot the Connecticut fight entirely. For the wider legal backdrop, our national explainer on whether online gambling is legal tracks how these threads connect, and the state-by-state index shows how Connecticut compares across the country. Residents wanting the full picture of legal gambling in the state can also start at our Connecticut gambling sites overview.

All sources current as of August 2, 2026.

• Connecticut Department of Consumer Protection, Gaming Division — cease-and-desist order to KalshiEX LLC, Case No. 2025-77 (Dec. 2025): portal.ct.gov/dcp
• KalshiEX LLC v. Cafferelli, No. 3:25-cv-02016, U.S. District Court for the District of Connecticut (docket via CourtListener): courtlistener.com/docket/71990229
• Commodity Futures Trading Commission, “CFTC Sues Trio of States to Reaffirm its Exclusive Jurisdiction Over Prediction Markets,” Release 9206-26 (April 2, 2026): cftc.gov
• United States/CFTC v. Connecticut, No. 3:26-cv-00498, U.S. District Court for the District of Connecticut (filed April 2, 2026).
• CoinDesk, “Connecticut Orders Kalshi, Robinhood, Crypto.com to Cease Sports Betting” (Dec. 3, 2025): coindesk.com
• covers.com, “Federal Court Pauses Connecticut’s C&D Action Against Kalshi” (Dec. 10, 2025): covers.com
• iGaming Business, “Kalshi sues Connecticut in big week of prediction markets news”: igamingbusiness.com
• CNBC, “CFTC sues Arizona, Connecticut, Illinois over prediction market regulation” (April 2, 2026): cnbc.com
• Legal Sports Report, Connecticut online casinos and tribal market structure: legalsportsreport.com

Connecticut threw an early, forceful punch at prediction markets and then got frozen by its own federal court. The result is a state where sports event contracts still load on Kalshi, Robinhood, Crypto.com, and Polymarket — not because Connecticut approved them, but because a judge told the state to hold its enforcement while two federal cases play out. There is no state ban, no state license, and no state safety net; a single ruling from Judge Oliver could reopen enforcement quickly. Trade informed, keep balances and records modest while the litigation stays unresolved, and confirm each app’s current Connecticut menu before funding.