TL;DR:
- The New York Attorney General filed a lawsuit against Kalshi, seeking at least $36 billion in compensatory damages.
- According to records on The Block Data Dashboard, more than 70% of Kalshi’s trading volume has been concentrated in sports events.
- The company maintains a $22 billion valuation and charges a fixed 1% transaction fee on user trades.
Tarek Mansour, CEO of Kalshi, defended the operating model of prediction markets following legal action initiated by New York authorities in late July. During an interview with financial news network CNBC, the executive compared his firm’s structure to entities like Nasdaq, Uber, and Airbnb to dispute allegations of illegal gambling.
The New York State Attorney General’s Office, led by Letitia James, formalized the lawsuit arguing that the platform’s event contracts are equivalent to unauthorized gambling operations. According to the court document issued by the state agency, the requested sum for compensatory damages could reach $36 billion USD.
From a corporate perspective, Kalshi positions itself as one of the highest-valued private companies in the fintech sector, reaching a valuation of $22 billion USD. Mansour maintained that the lawsuit filed against the entity is not limited to sports, but rather affects all event-based contracts.
The head of the firm explained that the platform acts similarly to the Nasdaq stock exchange by charging a 1% fee on transactions. According to the executive’s statements, Kalshi operates by facilitating the exchange of opposing positions between users, unlike traditional sportsbooks that take direct risk against the customer.
Comparison with Tech Models and Regulatory Tension
Although the company’s leadership promotes the use of derivatives based on economic and electoral variables, investor behavior shows a different trend. More than 70% of the volume traded on the platform corresponds to sports competition outcomes.
This operational prevalence led entertainment sector firms to react commercially. DraftKings, which traditionally operated through a direct counterparty model, launched its own segment dedicated to contracts on future events.
To contextualize the legal clash with state regulators, Mansour referenced the historical courtroom battles faced by firms like Uber and Airbnb. According to Kalshi’s leadership, the legal conflict reflects traditional industry resistance against the emergence of disruptive technologies gaining market share among consumers.
The executive noted that mature industries typically react initially through litigation before seeking legislative changes or developing competing products. In this regard, Mansour pointed out that the legal action taken by New York could be a response to pressure exerted by casino and physical sportsbook interest groups.
Regarding user financial performance, Mansour claimed that New York residents generated cumulative profits exceeding $200 million on the platform during the first seven months of 2026. Conversely, according to estimates presented by the executive, bettors in the same state registered losses of an equivalent amount when using conventional sportsbooks during the same period.
At the institutional level, internal platform documentation indicates that a formal tax proposal was submitted to New York authorities. According to the plan proposed by Kalshi, regulating this activity could generate nearly $10 billion USD in tax revenue for the state over a five-year period, though the project received no official response.
The legal dispute will continue its proceedings in U.S. courts over the coming months, where jurisdictional boundaries between the Commodity Futures Trading Commission (CFTC) and individual state gambling commissions will be defined.
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