Spain’s Consumer Rights Ministry has ordered a three‑to‑four‑month suspension of U.S. prediction‑market platforms Polymarket and Kalshi, citing the lack of a required gambling licence and insufficient user‑protection safeguards. The move reflects Europe’s strict view of prediction markets as gambling and raises questions about how these platforms can comply with local regulations while maintaining their core product.
What the announcement says
Spain’s Consumer Rights Ministry announced a temporary prohibition on two U.S.‑based prediction‑market platforms, Polymarket and Kalshi, after a review found that neither company holds a Spanish gambling licence. The ban, set to last roughly three to four months, coincides with a formal investigation by the country’s gambling watchdog into possible violations of local gambling law.
The ministry’s statement highlights three main concerns:
- Missing administrative authorisation – operating a prediction market without the mandatory licence.
- Insufficient user‑protection mechanisms – lack of robust identity verification, age‑gate controls, and safeguards for self‑excluded or banned individuals.
- Regulatory classification – Spain treats prediction markets as a form of gambling, meaning they fall under the same legal framework as sports betting and casino games.
What is actually new?
The core technology behind Polymarket and Kalshi is not new. Both platforms let users trade contracts whose payoff depends on the outcome of a real‑world event, effectively turning collective forecasts into market prices. This model has been around since the early 2010s, first gaining attention in crypto‑centric circles and later attracting mainstream attention during the 2024 U.S. election cycle.
What is new is the regulatory focus from a European state that has historically applied gambling law to these services. Spain’s action follows a pattern seen in other EU members – for example, the French regulator ARJEL (now ANJ) has repeatedly warned prediction‑market operators about licensing requirements. The Spanish move is the first time the country has issued a temporary ban rather than a simple warning or fine.
Why the ban matters for the industry
Licensing friction
Prediction‑market platforms typically operate under a no‑license model in the United States, where they are classified as “binary options” and fall under commodity‑trading regulations rather than gambling law. Translating that model to the EU requires either:
- Obtaining a gambling licence, which entails meeting strict KYC/AML, responsible‑gaming, and technical security standards, or
- Re‑architecting the product to remove any element that could be interpreted as a wager – for example, by offering purely informational contracts without monetary payoff.
Both paths involve significant legal and engineering effort. The Spanish ban forces Polymarket and Kalshi to decide whether to invest in a licence‑application process or to withdraw from the market entirely.
Technical safeguards under scrutiny
The ministry’s statement lists concrete technical gaps:
- Identity verification – current onboarding relies on email and wallet signatures, which may not satisfy Spanish “real‑name” requirements.
- Access control for minors – no age‑gate or parental‑consent flow is publicly documented.
- Self‑exclusion enforcement – the platforms lack an interface for users to opt‑out of all betting activity, a standard feature for licensed gambling operators.
These deficiencies are not merely bureaucratic; they expose users to problem‑gambling risks and make the platforms vulnerable to money‑laundering.
Limitations and open questions
- Scope of the ban – The temporary prohibition applies only to the Spanish market. Users outside Spain can still access the services, which may lead to VPN circumvention and further regulatory headaches.
- Duration of the investigation – The three‑to‑four‑month window is an estimate. If the watchdog uncovers deeper compliance failures, the ban could be extended or become permanent.
- Impact on liquidity – Prediction markets rely on a critical mass of traders. A sudden loss of a sizable user base (Spain has roughly 5‑6 % of EU‑wide online gambling participants) could reduce market depth, widening spreads and making the platforms less attractive globally.
- Future of the business model – If European regulators continue to treat prediction markets as gambling, companies may need to segregate their offerings: a licensed gambling arm for EU users and a separate “forecast‑only” product for jurisdictions with lighter rules.
What operators can do now
- File for a licence – Both Polymarket and Kalshi can begin the Spanish gambling‑licence application, which typically requires a detailed compliance plan, financial guarantees, and a local point of contact.
- Implement required safeguards – Adding robust KYC, age verification, and self‑exclusion tools can demonstrate good‑faith effort, potentially shortening the investigation.
- Engage with regulators – Proactive dialogue with the Spanish gambling watchdog may yield a temporary waiver or a roadmap for compliance.
- Consider product adjustments – Offering non‑monetary prediction contracts (e.g., “information‑only” tokens) could sidestep gambling classification, though it would diminish the financial incentive that drives liquidity.
Bottom line
Spain’s temporary ban of Polymarket and Kalshi is less a surprise than a logical extension of Europe’s cautious stance on prediction markets. The platforms are not introducing novel algorithms or market mechanisms; they are confronting a regulatory reality that treats their existing model as gambling. Until they secure a licence or redesign their product to meet Spanish safeguards, they will remain barred from one of Europe’s larger online‑gaming markets.
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