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Man who lost $308,000 on sports bets sues Kalshi for offering illegal gambling

Ars Technica •
November 09, 2026 • 09:13 PM
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Lawsuit demands Kalshi return losses because online betting is illegal in Washington.

Man who lost $308,000 on sports bets sues Kalshi for offering illegal gambling

A man who lost over $308,000 making sports wagers on Kalshi is suing the prediction market for violating the state of Washington’s ban on online gambling. He’s trying to turn those losses into an overall victory with a lawsuit seeking a payment of over $580,000.

Bellevue, Washington, resident Scott Bright’s “wagering occurred at a time when it was unlawful in Washington and when the Washington Attorney General had already sued KalshiEX LLC in this Court alleging precisely that,” said the gambler’s lawsuit filed on October 23 in King County Superior Court.

While state attorneys general throughout the US are trying to shut down Kalshi for allegedly violating state gambling laws, Bright’s case tests whether unsuccessful gamblers can obtain restitution from the company through individual lawsuits.

“Washington has prohibited Internet gambling since 2006. Washington has also provided, since long before that, a statutory cause of action permitting any person who loses money at illegal gambling to recover it from the proprietor for whose benefit the game was conducted,” Bright’s lawsuit said.

Even if Bright’s lawsuit fails, gamblers who lost on Kalshi could get money back through the lawsuits filed by state governments. For example, Washington’s lawsuit against the company said the attorney general “is entitled to recover all money Washingtonians have lost through Defendant Kalshi’s illegal gambling operation” under the state’s Recovery of Money Lost at Gambling Act. Washington already won a court order restricting the kinds of wagers Kalshi can offer in the state, but it took effect after Bright’s losses.

Kalshi wants Bright’s lawsuit to be moved to US District Court for the Western District of Washington, saying it must be tried in a federal court instead of a state one. In an October 30 motion to dismiss Bright’s case, Kalshi argued that he did not lose any money on “gambling.” Kalshi said he lost money on “event contracts,” which Kalshi says can only be regulated by the federal government.

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Same Story from Other Publications

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CNBC World
21h ago
Donald Trump Jr. exits advisory role at Kalshi prediction market

Donald Trump Jr. exits advisory role at Kalshi prediction market

The president's son will no longer serve as an advisor at Kalshi.

The Verge
22h ago
Donald Trump Jr. is no longer advising Kalshi.

Donald Trump Jr. is no longer advising Kalshi.

Trump Jr. has been an advisor to both Kalshi and its rival Polymarket during the prediction market-friendly administration of his father. Kalshi told Bloomberg that the company and Trump Jr. “mutually agreed” to part ways after his venture capital firm invested in Polymarket this summer. [Link: Donald Trump Jr. Out as Kalshi Adviser Following Midterms | https://www.bloomberg.com/news/articles/2026-11-12/donald-trump-jr-out-as-kalshi-adviser-following-midterms | Bloomberg]

The Guardian
18h ago
Donald Trump Jr exits as paid adviser for prediction market Kalshi

Donald Trump Jr exits as paid adviser for prediction market Kalshi

Kalshi announces ‘mutual decision’ as Democrats say they plan to investigate Trump family’s investments

The Australian Financial Review (AFR)
2d ago
Wynn sues Australian ex-brothel owner after $3.3m gambling spree

Wynn sues Australian ex-brothel owner after $3.3m gambling spree

Gambling giant Wynn is suing a Melbourne-based high roller for unpaid debts following an alleged binge in Macau earlier this year.

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