The Czech Ministry of Finance added Polymarket to its blacklist of unauthorised online gambling domains, reportedly. The list now contains 3,341 domains, including 1,076 added since the start of 2026; internet providers must block access to listed sites under Czech law.
Czech internet providers must block listed domains, restricting access to Polymarket under the country’s law.
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The Ohio Casino Control Commission has reiterated that Robinhood Derivatives must obey its cease-and-desist order by 16 October. The order concerns sports-event contracts, and Ohio issued similar notices to nine other firms.
The Ohio Casino Control Commission has restated its cease-and-desist order against Robinhood Derivatives concerning sports-event contracts and said the company must comply by 16 October, according to a report. The order was reasserted as state pressure on prediction-market platforms continues.
Norway’s Lotteritilsynet sent DNS-blocking notices to 62 companies it says offer illegal gambling to Norwegian consumers, including Polymarket and Kalshi. The companies have until 15 October to submit comments before the regulator makes final decisions; its director expects blocking to take place in autumn.
Norway’s gambling regulator has notified 62 companies that their websites could face blocking in the country. The report names Kalshi and Polymarket among the targets.
The Ohio Casino Control Commission issued demands on 2 October for prediction market operators and brokers to withdraw sports contracts from Ohio. The outlet reported that recipients must provide written confirmation of compliance by 16 October, following a federal appeals ruling allowing Ohio to apply its gambling laws to these contracts.
The Ohio Casino Control Commission sent cease-and-desist letters on 2 October to 10 prediction market operators and brokers, requiring each to confirm in writing by 16 October that it has stopped offering sports event contracts to people in Ohio. The recipients are Coinbase, Gemini, Titan, Moomoo Financial, Novig, Plus500US, Polymarket, Prophet X, Robinhood Derivatives, Underdog Predict and Webull Financial. Kalshi, which contested the commission in court, did not receive a new letter; it already faces a proposed $5m fine from the commission.
Polymarket has challenged a €420,000 penalty in the Netherlands. The platform says it sought to meet the deadline for blocking access in the country.