Summary

  • Spain has blocked access to the prediction market platforms Polymarket and Kalshi while examining allegations of gambling law breaches.
  • This action aligns with similar measures seen in countries like Indonesia and India, which are also restricting access to prediction markets.
  • Both platforms have gained significant traction, with valuations rapidly climbing into the billions.

Spain is proactively blocking the prediction market websites Kalshi and Polymarket as it investigates possible infringements of its gambling laws.

The Directorate General for Gambling Regulation (DGOJ) issued the order after the firms could not be contacted at their foreign addresses, as detailed in a press release.

The release translates to: "The Ministry of Social Rights, Consumer Affairs, and Agenda 2030 has initiated disciplinary actions against Polymarket and Kalshi for potential violations of gambling regulations, as they are allegedly operating in Spain without the necessary administrative authorization."

These platforms are anticipated to remain inaccessible for three to four months while the investigation is conducted.

The DGOJ emphasized that in Spain, similar to other European countries, prediction markets qualify as gambling when bets are placed on uncertain future events. Therefore, operating such platforms in Spain mandates a specific administrative license, according to the Ministry of Consumer Affairs.

Spain joins a growing number of nations that have either blocked or banned prediction market platforms. Recently, Indonesia imposed a ban on Polymarket, asserting that its use constitutes gambling. Other Asian nations, including Thailand and India, are also taking steps to restrict these platforms.

Due to the lack of proper regulations, the DGOJ mentioned that these firms cannot ensure adequate safeguards for “identity verification systems, mechanisms to prevent access by minors or individuals who are self-excluded or banned from gambling, or the necessary oversight standards to protect users.”

Both Kalshi and Polymarket have seen a surge in popularity this year, achieving monthly trading volumes of over $5 billion and $13.7 billion respectively in May, based on data from Dune.

Their valuations have also skyrocketed, with Polymarket reportedly aiming for a valuation of $15 billion and Kalshi recently raising funds at a valuation of $22 billion.

While international scrutiny is increasing, similar concerns are emerging in the United States, particularly regarding insider trading allegations—such as a group of wallets that profited approximately $2.4 million on markets related to the Iran War. In April, a U.S. soldier faced charges for placing bets on Polymarket using confidential information, allegedly earning over $400,000 from predictions concerning the ousting of Venezuelan President Nicolás Maduro.

Last week, House Republicans initiated an investigation into both platforms, with one congressman suggesting that federal action might be necessary.

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