The Czech Ministry of Finance added Kalshi to its list of unauthorised gambling providers on 30 September, according to a report. Czech law requires internet service providers to block listed platforms within 15 days, meaning access to Kalshi is due to be blocked from 15 October 2026.
The listing requires Czech internet providers to restrict access to Kalshi, limiting the platform’s availability in the market.
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New York has sued Polymarket over alleged illegal gambling. Polymarket has filed a lawsuit in response, following New York’s earlier legal action against Kalshi.
New York filed an illegal gambling lawsuit against Polymarket, the state's complaint alleging that the company runs a gambling business without a New York gaming license. Polymarket's response was to shift the matter into federal court, and the company brought a separate action of its own against New York gaming officials.
New York Attorney General Letitia James and Governor Kathy Hochul sued QCX LLC, which operates as Polymarket US, alleging that it runs illegal gambling in the state. The state is seeking to stop the company operating without a gambling licence, recover profits it considers unlawful, compensate customers and impose fines of three times those profits.
Missouri Attorney General Catherine Hanaway ordered Polymarket, Kalshi, Crypto.com, Novig, Underdog and Robinhood to comply with state sports wagering laws or stop offering sports event contracts in Missouri. The companies have 30 days to confirm compliance; the state says the contracts require Missouri Gaming Commission licences, and Robinhood disputes the state’s position.
Stake blocked users in Ireland following discussions with GRAI. GRAI said it was working with operators that had restricted access to arrange refunds of customer deposits.
Reportedly, the DGOJ has blocked Polymarket and Kalshi over unauthorised operations. The restriction will run for three to four months while the regulator begins a formal investigation.