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Kalshi holds a federal license from the Commodity Futures Trading Commission and describes itself as a regulated exchange for trading event contracts. That federal license has not stopped a wave of lawsuits from state officials and individual traders who argue that, at least when it comes to sports contracts, Kalshi is operating an unlicensed betting business rather than a commodities exchange.
Contact our consumer fraud lawyers to learn more and to discuss your legal options. For a broader look at litigation across the prediction market industry, visit our prediction market lawsuit overview page.
Kalshi's Mixed Record in Court
Kalshi's legal position depends heavily on which court is asking the question. The company has won significant victories defending its federal license, including a ruling from the Third Circuit Court of Appeals upholding an injunction that blocks New Jersey regulators from enforcing state gambling law against Kalshi's contracts, and a federal injunction in Arizona that prevented the state from applying its gambling statutes to the platform.
Kalshi has fared differently elsewhere. A Massachusetts state court sided with regulators and ordered Kalshi to stop offering sports wagering in the state within thirty days, rejecting the company's argument that federal oversight shields it from state gambling law. This split among courts is part of why litigation against Kalshi keeps expanding into new states rather than resolving.
New York's Lawsuit Against Kalshi
In July 2026, the New York attorney general sued Kalshi directly, alleging the company ran an unlicensed gambling operation covering sports, elections, and cultural events, and that it allowed users as young as 18 onto markets that state law requires to be restricted to those 21 and older. The state is seeking triple Kalshi's gains from New York activity, penalties of up to $100,000 for each unauthorized wager offered, and a full accounting of customer losses, with public estimates of the potential exposure running into the billions of dollars. Kalshi disputes the state's characterization of its products.
The State Loss-Recovery Lawsuits
Separate from state enforcement, individual Kalshi users have filed their own class actions relying on old, rarely used state statutes that let a person who loses money gambling sue to get it back.
In Kentucky, a Jefferson County resident filed suit under a state law, KRS Section 372.020, that allows recovery of gambling losses of five dollars or more within five years of the loss. The complaint argues Kalshi's contracts on sports, elections, and weather events amount to gambling that is untaxed, unregulated, and illegal under Kentucky law.
In Massachusetts, a trader who says he struggles with gambling addiction filed a class action after losing tens of thousands of dollars on Kalshi's sports markets within a single month. The complaint alleges that neither Kalshi nor the brokerage app through which he traded offered a self-exclusion option, despite his having previously enrolled in such programs elsewhere to manage his addiction. That case relies on a centuries-old English law, sometimes called the Statute of Anne, that Massachusetts courts recognize as a basis for recovering gambling losses.
Nearly identical loss-recovery suits have since been filed in Ohio, Illinois, South Carolina, and Georgia, several backed by the same litigation funding group. None of these cases have resulted in a finding of liability, and Kalshi denies operating illegal gambling.
Allegations About Kalshi's Market Structure
A separate group of plaintiffs in New York has raised a different kind of claim, arguing that an affiliated entity called Kalshi Trading acts as the primary market maker on Kalshi's sports contracts, effectively putting a sophisticated in-house trading operation on the other side of ordinary users' bets. The complaint alleges this arrangement gave Kalshi and its affiliate a structural advantage in setting prices that disadvantaged retail traders, regardless of how the product was labeled. This theory is distinct from the gambling-licensing claims described above and is being litigated separately.
None of the claims described on this page have been proven, and Kalshi disputes them. If you live in a state with a gambling loss recovery statute, such as Kentucky or Massachusetts, or in a state whose attorney general has taken formal action against Kalshi, you may have a stronger starting point for evaluating a claim tied to sports contract losses. Where you live and what you traded both matter significantly here.
Experienced. Compassionate. Consumer Advocates
The Lyon Firm is a Cincinnati, Ohio-based law firm, representing individuals nationwide in class action, product liability, and toxic exposure litigation.
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Why Choose The Lyon Firm?
Evaluating a claim against a federally licensed company operating in a legal gray area takes more than general familiarity with consumer law. Here is what our firm brings to cases like this:
- Contingency fee representation, meaning no upfront cost and no fee unless we recover money for you
- Experience serving in leadership roles across more than one hundred consumer class actions involving corporate accountability and deceptive practices
- We advance all costs of litigation, so pursuing a claim does not depend on your financial situation
- Honest, direct evaluation of whether your specific facts support a claim
- A national practice with the resources to take on a well-funded opponent while staying responsive to individual clients
Kalshi Lawsuit FAQs
There is no fixed minimum. Some state loss-recovery statutes allow claims starting at very small dollar amounts, while other legal theories may depend more on the overall pattern of conduct than on the size of any one loss. A free consultation is the fastest way to get a specific answer.
It may. Some lawsuits name Kalshi's distribution partners as co-defendants alongside Kalshi itself, so the specific app or platform you used could be relevant to how a claim is structured.
Yes. A government enforcement action and a private consumer lawsuit are legally distinct. A state's case seeks penalties and restitution on behalf of the public generally, while an individual claim seeks recovery for your specific losses. One does not replace the other.
States with these statutes generally offer a more direct legal path to recovering losses, since the law specifically allows a private individual to sue to recover money lost through illegal gambling. Traders in states without such a statute may need to rely on other consumer protection or fraud-based legal theories instead.
Class Action Lawsuits
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