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Articles / prediction-markets / Spain joins growing list of countries shutting out Polymarket and Kalshi

Spain joins growing list of countries shutting out Polymarket and Kalshi

May 26, 2026 · Source: coindesk.com · Topic:  prediction-markets
Kalshi Trading Volume
$5.9 Billion
Kalshi's trading volume over the past 30 days.
Polymarket Trading Volume
$3.8 Billion
Polymarket's trading volume over the past 30 days.
Combined Market Share
88%
Combined market share of Polymarket and Kalshi in the prediction market sector.

§ 01 Executive Snapshot

  • What: Spain has blocked access to prediction market platforms Polymarket and Kalshi for operating without the necessary licenses.
  • Who: Spain's Ministry of Consumer Affairs and the Directorate General for Gambling Regulation (DGOJ) are the key regulatory bodies involved.
  • Why it matters: This action highlights increasing global regulatory scrutiny on prediction markets and raises questions about the classification of such platforms as gambling products.

§ 02 Key Developments

  • Spain initiated disciplinary proceedings against Polymarket and Kalshi, ordering ISPs to block access due to unlicensed operations.
  • Kalshi recorded approximately $5.9 billion in trading volume over the past 30 days, while Polymarket processed about $3.8 billion.
  • Combined, Polymarket and Kalshi represent nearly 88% of the $11 billion trading volume in the prediction market sector during the same period.

§ 03 Strategic Context

  • The regulatory crackdown in Spain reflects a broader trend, as countries like Indonesia and India have also taken similar measures against prediction market platforms.
  • This regulatory scrutiny is part of an ongoing debate regarding whether prediction markets should be classified under gambling or financial market regulations.

§ 04 Strategic Implications

  • The immediate consequence could be a reduction in market accessibility and liquidity for users in Spain, impacting trading volumes on these platforms.
  • Long-term implications may include increased regulatory compliance costs for prediction market operators and potential restructuring of their business models to align with local laws.

§ 05 Risks & Constraints

  • Potential risk of further regulatory actions in other jurisdictions, which could lead to more platforms being blocked or restricted.
  • The lack of safeguards for minors and self-excluded gamblers may prompt stricter regulations and oversight, impacting operational capabilities of these platforms.

§ 06 Watchlist / Forward Signals

  • The disciplinary proceedings are expected to take three to four months, during which the blocking measures will remain in place.
  • Future developments will be signaled by the outcomes of these proceedings and whether other jurisdictions follow Spain's lead in regulating prediction markets.
§ 07

Frequently Asked Questions

What action has Spain taken regarding Polymarket and Kalshi?

Spain has blocked access to prediction market platforms Polymarket and Kalshi for operating without the necessary licenses.

Why are Polymarket and Kalshi being regulated in Spain?

The regulatory scrutiny reflects a broader debate on whether prediction markets should be classified as gambling products.

How might this regulatory action affect users in Spain?

The immediate consequence could be a reduction in market accessibility and liquidity, impacting trading volumes on these platforms.

Who is responsible for the regulatory actions against these platforms?

Spain's Ministry of Consumer Affairs and the Directorate General for Gambling Regulation (DGOJ) are the key regulatory bodies involved.

§ 08

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