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29 Oct Polymarket resumes international trading after third-party breach The company promised full reimbursement after unauthorized withdrawals, while its separate U.S. exchange remained online.
29 Oct Curtis and Warren seek election-market safeguards from Kalshi and Polymarket The bipartisan senators sought details on insider trading, manipulation and consumer protections before the Nov. 3 midterms.
29 Oct Saquon Barkley says NFL rules forced sale of Polymarket stake The Eagles running back said players were told they could no longer invest in or promote prediction-market operators.
29 Oct Polymarket US sues Louisiana over event-contract enforcement QCX says federal commodities law overrides the state’s gambling regime, whose penalties can reach $100,000 per wager.
28 Oct Anthropic IPO bets draw tens of millions to prediction markets Polymarket contracts on timing and valuation alone traded about $9 million after the AI company’s filing.
28 Oct Polymarket agrees to halt Michigan sports event contracts Court-approved deal requires Polymarket US to close remaining Michigan customer positions by Nov. 25 while its Sixth Circuit appeal continues.
28 Oct Kalshi and Polymarket put Eisenkot ahead as Israel faces coalition deadlock The markets priced the former IDF chief well above Netanyahu, but research raised concerns about concentrated Polymarket trading.
28 Oct Polymarket US adds five-minute crypto direction contracts Bitcoin, ether, solana and XRP markets settle on averaged benchmark prices, with a tie going to Up.
28 Oct CFTC examines whether Polymarket honored 2022 U.S. access ban The agency is also reviewing onboarding and customer protections at Polymarket’s newer regulated American platform.
27 Oct North Carolina election markets near $7 million as Cooper becomes a heavy favourite The Senate contest accounts for more than $4.4 million in trading, while markets favour Democrats in five of the state’s 14 House races.
27 Oct Polymarket investigated dozens of midterm bets and referred cases to CFTC A 16-person investigations team is using a new surveillance system that draws on public records, crypto data and banking partners ahead of the Nov. 3 vote.
26 Oct NBA gives Kalshi and Polymarket formal prediction-market roles The league secured approval rights over NBA contracts and a CFTC information-sharing pact as it moves into a contested market.