New York has sued prediction market platform Polymarket, accusing the company of operating an unlicensed gambling business in the state. The lawsuit puts the company at the centre of an expanding legal battle over whether prediction markets should be regulated as financial products or treated as gambling.
The action comes shortly after New York took similar legal action against Kalshi, another major prediction market platform. With both companies now facing challenges from the state, New York has made clear that it considers certain prediction market activities to fall under its gambling laws.
Prediction markets allow users to buy and sell contracts based on the outcomes of future events. These markets can cover a wide range of subjects, including sports, elections, economic indicators, weather and other events. Users can potentially earn money if their predictions are correct, while the value of contracts can change as the probability of an outcome changes.
The business model has attracted significant attention because it sits at the intersection of financial trading and traditional betting. Prediction market operators generally describe their contracts as financial products or derivatives. State regulators, however, have increasingly questioned whether the activity is effectively gambling when users put money at risk based on uncertain events.
New York’s lawsuit against Polymarket argues that the company’s activities amount to gambling and that it has been operating without the appropriate state license. The state is seeking to stop Polymarket from continuing the disputed operations without authorization and is pursuing financial remedies connected to the alleged violations.
The lawsuit reflects a broader disagreement over which level of government has authority over prediction markets. Companies such as Polymarket and Kalshi have argued that their products fall under federal oversight of financial and commodities markets. State officials have challenged that position, saying that certain contracts resemble wagers and should therefore be subject to state gambling regulations.
The distinction has become increasingly important as prediction markets have expanded their offerings. What began as a relatively specialised way of forecasting events has developed into a large online industry that allows users to speculate on highly visible developments.
Sports have become one of the most controversial areas. Contracts based on sporting events can look similar to bets offered by traditional sportsbooks. A user may risk money based on whether a team wins a game, whether a particular player reaches a statistical target or whether another event occurs during a match.
Traditional sports betting is regulated at the state level in much of the United States, with operators generally required to obtain licenses and comply with rules concerning age, consumer protection, taxation and responsible gambling. Prediction market companies argue that their event contracts are different because they are structured as financial instruments rather than conventional bets.
New York’s position challenges that distinction.
The state has also raised concerns about the age of users who can access prediction market platforms. Gambling regulations typically impose minimum age requirements, and regulators have argued that prediction market operators should be subject to similar restrictions if their activities are classified as gambling.
The lawsuit against Polymarket follows New York’s legal action against Kalshi, which faced similar allegations. The two cases are significant because they suggest that the state’s concerns extend beyond one company’s business practices and instead relate to the broader model used by prediction markets.
Kalshi has strongly defended its position that its event contracts are federally regulated derivatives. The company has argued that states should not be able to prohibit or regulate contracts that fall under federal commodities law. That position has created a legal conflict between federal regulatory authority and state gambling laws.
Polymarket’s case raises many of the same questions.
At the centre of the dispute is the nature of the transaction itself. Supporters of prediction markets describe them as information markets in which prices reflect collective expectations about future events. In this view, participants are trading contracts whose prices change as new information becomes available.
Regulators can view the same activity differently. When a user pays money for a contract whose value depends on whether an uncertain event occurs, the transaction can resemble a wager. The difference between trading and betting therefore becomes particularly difficult to define when contracts are based on events such as sports games or political outcomes.
The rapid growth of prediction markets has made that distinction increasingly important. The platforms have attracted users who might previously have participated in traditional financial markets or sports betting, while offering a different mechanism for expressing views about future events.
The companies also argue that prediction markets can provide useful information by aggregating expectations. Prices can indicate what market participants collectively believe about the likelihood of an event occurring. Critics, however, have raised concerns about the potential for excessive speculation and the use of prediction markets for activities that closely resemble gambling.
New York’s lawsuits could help determine how these competing interpretations are treated under state and federal law.
If the state’s position prevails, prediction market companies could face additional licensing requirements and restrictions in New York. Other states could also look to the outcome when deciding how to regulate similar platforms. A broader expansion of state-level regulation could increase compliance costs and limit the markets that prediction companies can offer in different parts of the country.
If the companies successfully defend their position, it could strengthen the argument that prediction markets are financial products governed primarily by federal regulators rather than state gambling authorities.
The legal dispute also comes as the United States continues to develop its regulatory framework for emerging financial products. Traditional categories such as stocks, futures, derivatives and gambling do not always fit neatly around digital platforms that allow users to trade contracts based on real-world events.
For now, New York has taken a clear position in the debate by pursuing both Polymarket and Kalshi. The lawsuits put the question of whether prediction markets are financial trading platforms or gambling operations directly before the courts.
The eventual outcomes could have implications well beyond the two companies. They may influence how prediction markets operate, which regulators oversee them and what protections apply to users.
As these platforms continue to expand, the distinction between predicting an event and betting on it is likely to remain one of the most closely watched regulatory questions in the rapidly developing prediction market industry.
