The Spanish Consumer Affairs Department has initiated disciplinary proceedings against prediction market platforms Polymarket and Kalshi, requiring internet service providers to block access due to both companies offering products related to future events without obtaining licenses. Regulators maintained a preventive ban during the review process, expected to last three to four months. Since the companies could not be contacted through overseas addresses, an official announcement was ultimately issued directly, and the blocks were implemented.

MarsBitNews

2026-05-26 12:41:17

Abstract generation in progress

Mars Finance News, on May 26, the Spanish Department of Consumer Affairs has initiated disciplinary proceedings against prediction market platforms Polymarket and Kalshi, and has demanded that internet service providers block user access to these platforms. According to a notice published in the Official State Gazette of Spain, these companies are offering products related to future uncertain events without obtaining the licenses required by Spanish law. Local media reports state that regulators believe their operations may be in violation of Spanish regulations. The Spanish government official stated that during the case review, the relevant preventive blocking measures will remain in effect, and the entire process is expected to take three to four months. The regulatory documents also pointed out that because regulators could not contact these companies through known overseas addresses, they ultimately chose to issue an official announcement and implement blocking measures directly.

POLYMARKET-0.53%

KALSHI1%

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LimeLeverageAlert

· 7h ago

Regulation and innovation are always in a game of chess; this time, regulation scores the first point.

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MoonlightReef

· 10h ago

This serves as a warning to other prediction markets; other EU countries may follow suit.

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FoldedPrivateKey

· 10h ago

What decentralized protocols fear the most is this: if the frontend gets blocked, users are directly confused.

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PatchNotePaladin

· 10h ago

Polymarket has such a huge user base, and Spain’s share is probably pretty significant too—honestly, that’s painful.

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TheClarityAfterLiquidating

· 10h ago

Kalshi just obtained a license in the United States, but then ran into trouble in Europe, disrupting their expansion pace.

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SoftRugDetective

· 10h ago

If you can't contact the overseas company, just announce it + block them. Learned this process.

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GateUser-8947c5ff

· 10h ago

Three-month review period, preventive blocking, regulatory efficiency higher than expected

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NightFlightMint

· 10h ago

Predicting the market is inherently a gray area; going in without a license and getting hammered is not unfair.

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Spain preemptively blocks access to Polymarket and Kalshi

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