France just blocked Polymarket — why regulators keep calling prediction markets gambling

France's gambling regulator ordered internet providers to block Polymarket, the best-known crypto “prediction market,” treating it as illegal gambling rather than a trading platform. That makes France one of more than 30 jurisdictions that have restricted the site, and it is a useful moment for beginners to understand what these markets actually are.

First, what a prediction market is. On Polymarket, people bet on real-world outcomes — an election result, a policy, even the weather — by buying “yes” or “no” shares that pay out if they are right. Supporters call it trading on information. Regulators increasingly see people wagering money on uncertain events, which is close to the definition of gambling.

Here is what France did and why. Its regulator, the ANJ, ordered service providers to block the site on July 16, citing addictive mechanics, no stake limits, and no self-exclusion tools. Earlier French rules had not worked — the site still drew more than 200,000 French visitors in June despite a transaction ban, because a VPN was enough to get around it. Fines can reach 100,000 euros.

The regulator also pointed to integrity problems. It cited a tampered weather sensor tied to weather-based bets, now under criminal investigation, and a French trader who moved U.S. election odds with multimillion-dollar positions in 2024. Both show how thin these markets can be, and how a single participant can distort the “odds” everyone else is reading.

The bigger picture is the pattern. France joins Switzerland, Singapore, Belgium, Spain and dozens of others in restricting Polymarket. For a beginner, the lesson is not that prediction markets are evil, but that despite the “trading” label they carry gambling-style risks and often little consumer protection — and access can be cut off by regulators overnight. This is information, not advice: treat any money you would put in as money you could lose.