Kalshi CEO Tarek Mansour has publicly argued that prediction markets should not be classified as gambling, despite similarities to betting on sports. In an op-ed published in the Wall Street Journal, Mansour emphasized the structural differences between prediction markets and traditional sportsbooks, highlighting the role of market dynamics and contract matching on platforms like Kalshi.
Key Distinctions Highlighted
Mansour pointed out that, unlike sportsbooks where customers bet against the house, prediction market participants are matched directly with one another. He argued that this exchange-like structure supports transparent price discovery, distinguishing it from the odds-setting approach of sportsbooks. According to Mansour, this transparency and fairness is not present in traditional betting, where operators are incentivized to ensure aggregate customer losses.
Regulatory Tensions and Legal Uncertainty
Prediction market platforms such as Kalshi maintain they fall under the oversight of the Commodity Futures Trading Commission (CFTC), rather than state gambling regulators. However, several states have sought to enforce gambling laws on these platforms, particularly in jurisdictions where online sports betting remains illegal. This ongoing jurisdictional dispute is now poised for potential resolution by the Supreme Court, a decision that could significantly influence the future regulatory landscape for prediction markets in the US.
Industry Implications
The outcome of the regulatory debate holds major consequences for operators, affiliates, and suppliers. A Supreme Court decision favoring state gambling regulation could increase operational complexity and costs, and may restrict market access in certain states. Conversely, a ruling supporting federal CFTC oversight could streamline compliance and support further market growth. Industry observers also note the similarities between prediction markets and betting exchanges, which are already regulated as gambling in several international jurisdictions, including the UK.
Broader Concerns and Criticisms
Mansour has criticized traditional sportsbook practices, including limiting successful bettors and the use of artificial intelligence to target vulnerable users. Meanwhile, lawmakers have raised concerns about underage participation, as CFTC-regulated platforms set a minimum age of 18, while most states require gambling participants to be at least 21.
Key takeaways
- Kalshi CEO argues prediction markets differ structurally from gambling.
- Regulatory uncertainty persists between federal and state oversight.
- Supreme Court decision could reshape the US prediction market sector.
- Operators face significant compliance and market access implications.
Update (28.10.2026)
Industry projections referenced during the debate indicate that prediction markets could experience significant growth by 2030. Additionally, Kalshi has reportedly achieved a valuation of $22 billion. In Great Britain, operators providing similar sports betting exchange services would typically need to obtain a remote betting intermediary licence from the UK Gambling Commission.