
France has escalated its crackdown on prediction markets. The country’s National Gambling Authority (ANJ) ordered internet service providers to block access to Polymarket on July 16.
The regulator says Polymarket promotes illegal gambling and betting. It also raised concerns that some markets on the platform could be manipulated, putting users at risk of significant losses.
This full block comes just days before the 2026 World Cup final between Spain and Argentina, which will resolve the largest event markets in Polymarket’s history.
French authorities first restricted Polymarket in November 2024. Although the platform limited trading for French users, many still visited the site in view-only mode. In June alone, Polymarket recorded over 578,000 visits from more than 205,000 unique French users.
The ANJ considers even displaying odds on the homepage as illegal advertising. Promoting unlicensed betting services in France can result in fines up to €100,000 ($114,000).
French officials are also investigating possible manipulation on the platform, including suspicious weather bets that may involve hacked sensors. The Paris prosecutor’s cybercrime unit opened a case in May.
The timing is particularly disruptive for French users. The World Cup Winner market on Polymarket has exceeded $4 billion in trading volume — the biggest single market in the platform’s history. A separate final match contract has seen over $1.27 billion in volume on rival platform Kalshi.
France is not alone. Several other countries have taken action against Polymarket:
This move highlights increasing regulatory scrutiny on decentralized prediction platforms in Europe.
