The Czech finance ministry added Kalshi to its list of unauthorised online gambling sites, according to the list updated on 30 September 2026. The listing allows measures to be taken to restrict access to sites offering online gambling without authorisation. Polymarket was added to the Czech list on 13 July, the report said.
The listing makes Kalshi subject to Czech measures against unauthorised online gambling sites.
| Date | Company | Amount | Story | Appeal status |
|---|---|---|---|---|
| Kalshi | Not stated | Kalshi suspends Laurie Buckhout for three years over campaign-related trades | Not stated | |
| Kalshi | USD 17,500 | CFTC penalises George Santos $17,500 and imposes trading ban | Not stated | |
| Polymarket | Not stated | France orders internet providers to block Polymarket over gambling authorisation | Not stated | |
| Kalshi | Not stated | CFTC investigates teleprompter operator’s alleged Kalshi trading | Not stated | |
| Kalshi | USD 500,000 | Michigan judge orders Kalshi to geoblock sports contracts by 12 August | Not stated |
The day’s most important stories, free. One email a day.
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.
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.