Published on: June 15, 2026, 12:45 PM.
Updated on: June 15, 2026, 12:45 PM.
- Robinhood faces allegations of operating an unlawful sports betting operation
- A federal lawsuit has been filed in the Northern District of California
Robinhood has been named in a proposed class-action lawsuit, accused of misleading customers by presenting unauthorized sports gambling as a legitimate financial product.
This case marks one of the first significant private lawsuits in the U.S. against a prediction market for allegedly facilitating illegal sports trading. Plaintiff Matthew Mazza aims to recover his gambling losses, potentially amounting to billions in punitive damages.
Filed in the Northern District of California, where the financial services giant is based in Menlo Park, Mazza claims he and many others were deceived into gambling on sports through Robinhood’s partnership with Kalshi, which misrepresented these activities as financial investments.
Allegations: Distinguishing Sports Trading from Commodity Investment
Prediction markets have existed for decades, letting traders speculate on commodity prices and future event outcomes. However, markets that involve sports trading emerged only last year.
Critics argue that trading on sports prediction markets is equivalent to sports betting. Unlike regulated sportsbooks that pay substantial licensing fees and are subjected to strict regulations, prediction markets operate outside state laws, regulations, and taxation.
Mazza claims he was misled, asserting that Robinhood failed to adequately communicate the potential financial risks involved in sports trading.
“The marketing and user interface of the defendants do not effectively convey the real risks that customers—including Plaintiff and the Class—may be jeopardizing their Robinhood portfolios to participate in speculative event contracts that lack underlying collateral or ownership interests, potentially leading to rapid equity loss in users’ financial accounts,” the lawsuit states.
“Robinhood’s educational resources fail to clearly outline risks such as margin calls, forced liquidations, and the possibility of losses exceeding deposits. If such disclosures exist, they tend to be buried in lengthy legal documents or generic risk statements rather than being presented prominently at the time of trading,” the lawsuit continues. “Consequently, Robinhood inadequately alerts consumers to the substantial risks that speculative trading against margins may pose to their core investments and long-term portfolios.”
In layman’s terms: while it’s improbable that $1,000 worth of gold will lose all its value overnight, a $1,000 bet on a game could become worthless if the opposing team wins. Mazza claims he has incurred about $400,000 in losses, including fees and commissions, resulting from betting on sports events via Robinhood.
“Due to the actions of the defendants, the Plaintiff and class members have suffered significant financial losses through speculative contracts and betting activities that would not have occurred without the defendants’ illegal operations and promotion of gambling,” the litigation asserts.
The lawsuit alleges that Robinhood is conducting an unlawful sports betting operation in violation of Georgia’s sports betting prohibition, the Georgia Fair Business Practices Act, and California’s Unfair Competition Law.
Response from Robinhood
Mazza’s lawsuit against Robinhood was submitted on June 10. As of now, the company has not publicly responded to the allegations.
Robinhood is likely to argue for a dismissal based on the assertion that federal regulations supersede state laws. The trading platform is governed by the Commodity Futures Trading Commission, a federal regulatory body.
Additionally, Robinhood could contend that the plaintiff willingly engaged in its sports contracts and knowingly executed trades that resulted in his losses.