Polymarket v KSA (Netherlands): Allegations, Court Orders and Status

The Dutch gambling regulator, the Kansspelautoriteit (KSA), ordered Polymarket's operator on January 20, 2026 to stop offering event contracts to users in the Netherlands, and a challenge in the court in The Hague is reported but not yet in a court record.

The order set a compliance term that ended on February 17, 2026, then a penalty of EUR 420,000 per week or part of a week, up to EUR 840,000.

One week, EUR 420,000, was forfeited, and the KSA rejected the operator's objection on June 23, 2026. No payout exists, because this is a regulator's penalty case and not a settlement.

What this case is about

The case is Adventure One QSS Inc. (Polymarket) against the Kansspelautoriteit, an operator's dispute with a Dutch regulator over a penalty payment order. An order and a decision on objection state the regulator's position; only a court's ruling decides whether it stands.

The record is a chain of four KSA documents: the order of January 20, 2026 (kenmerk 22310/01.370.802), the notice of forfeiture of February 19, the collection decision of May 19 (22310/01.388.977) and the decision on objection of June 23 (24971/01.399.205).

The court, the Rechtbank Den Haag (administrative law), would hear the case at first instance, and no judge or counsel is recorded.

What the KSA alleges: unlicensed games of chance

The KSA alleges that Polymarket offers unlicensed games of chance, treating event contracts as bets under article 1(1)(a) of the Wet op de kansspelen (Wok, the Dutch Betting and Gaming Act).

In its decision on objection of June 23, 2026, the regulator held that staking value on uncertain events decided by chance is gambling regardless of the blockchain infrastructure behind it.

The order of January 20, 2026 is a last onder dwangsom, a penalty payment order, addressed to Adventure One QSS Inc. It is one of the prediction market lawsuits we track, and it is a regulator action rather than a private suit.

What Polymarket argues: financial instruments, not gambling

Polymarket argues that its event contracts are financial instruments within the remit of the Dutch financial markets regulator, the AFM, and not gambling. That is the operator's position as reported, not a finding. It is reported through press coverage of the court challenge (CCN, early October 2026), not through a court record.

Whether an event contract is a swap, a bet or a financial instrument is the question behind this and many US cases. Our guide asks are sports event contracts swaps and sets out how US courts have split.

Who is affected

The order restricts what Polymarket may offer to people in the Netherlands; it does not create a claim for any user and no class exists.

No user is a party, and no one has anything to file. The only entity addressed by the KSA decisions is Adventure One QSS Inc., and we do not equate it with any other Polymarket company.

Other countries' actions are separate, among them the French ANJ blocking order of July 16, 2026 and state suits in the United States. For the Dutch side, see our page on gambling lawsuits in the Netherlands.

Is there a payout?

No payout exists: this is a regulator's penalty order and a court challenge by the operator, not a class action or settlement, and no money goes to users. The only money in the record is the penalty payment the KSA demanded from the operator.

The penalty formula: EUR 420,000 per week, capped at EUR 840,000

Order (last onder dwangsom), KSA, 2026-01-20, kenmerk 22310/01.370.802
Compliance term: four weeks, ended 2026-02-17
Penalty payment: EUR 420,000 per week or part of a week, maximum EUR 840,000
Re-check 2026-02-18 found the offer continuing (decision on objection); notice of forfeiture 2026-02-19
Collection decision 2026-05-19 (kenmerk 22310/01.388.977): EUR 420,000 (one week)

The order gave Polymarket four weeks to stop, and the term ended on February 17, 2026. Because a part of a week counts as a full week, the EUR 840,000 maximum is reached after two weeks of continued offering.

Press called the order a "fine", but it is a penalty payment with a stated cap, and one week of it was forfeited.

What was forfeited and what is not confirmed

The KSA's collection decision of May 19, 2026 demands EUR 420,000, one week's penalty, and whether Polymarket has paid it is not confirmed in the record. The decision on objection records that the offer continued at the re-check of February 18, 2026; the notice of forfeiture followed on February 19.

Some summaries date a geo-block of the Netherlands to February 18, which conflicts with that wording, so we rely on the decision's text; the date Polymarket actually geo-blocked the Netherlands is not in the KSA documents. Regulator penalty cases of this kind are collected under regulators and attorneys general in court.

What happens next

The next event is a hearing at the Rechtbank Den Haag, the Hague District Court, and neither a case number nor a date has been found. This rests on press reports of early October 2026.

The challenge in The Hague

Polymarket is reported to have brought the dispute before the Rechtbank Den Haag in early October 2026, a report that rests on press alone. The press sources are CCN, SBC News and BNR.

The decision on objection is dated June 23, 2026, and whether the October report concerns the filing or later coverage is not in the record, so we state no filing date. Whether interim relief was requested is not confirmed in the court record.

What the court will have to decide

The court will have to decide whether event contracts are games of chance under the Wok or financial products for the AFM. That is the question as the two sides pose it, and we make no prediction.

A separate Dutch Supreme Court ruling of July 3, 2026 on pre-2021 online gambling contracts concerns refund claims by players, not this question.

Timeline

Six KSA steps in five months precede the court challenge. France's blocking order of July 16, 2026 is related, and the ANJ is the French gambling regulator.

What the court has decided so far

No court has decided anything in this case; every decision to date is the KSA's own. An order and a decision on objection are administrative decisions, not judgments.

The decision on objection of June 23, 2026 (kenmerk 24971/01.399.205) declared the objection against the notice of forfeiture inadmissible and held the objections against the order and its publication unfounded. It maintained the decisions and refused costs, and an appeal to the court remained open.

The collection decision of May 19, 2026 records that the EUR 420,000 was forfeited by operation of law once the offer continued past the term. This is a penalty demanded by the regulator, and the record shows no consumer fund.

As of June 23, 2026 the latest official step is the KSA's decision on objection; the court challenge is press-reported.

Documents and sources

Every date and amount on this page comes from the KSA's decisions, listed here with the copy we read. The KSA case page lists six decisions; we cite the five we hold.

• KSA order (last onder dwangsom) 22310/01.370.802, January 20, 2026, kansspelautoriteit.nl case page (primary, regulator).
• KSA publication decision for the same order, January 20, 2026 (primary).
• KSA collection decision 22310/01.388.977, May 19, 2026 (primary).
• KSA decision on objection 24971/01.399.205, June 23, 2026 (primary).
• Press, supporting only: NL Times, February 17, 2026; CCN, court challenge, 2026; iGaming Business, objection rejected.

Related cases

Related cases show how the same question is being tested in other countries and how the KSA's other penalty orders fared.

Other Polymarket cases and bans

The Dutch order is one of several state or regulator actions against Polymarket.

• France blocks Polymarket and opens a criminal probe: ANJ blocking order, July 16, 2026.
• New York AG v. Polymarket US: filed September 24, 2026; Polymarket's US business is the defendant in New York.
• Kentucky AG v. Polymarket: filed in June 2026, pending.
• Wisconsin AG v. Polymarket: filed in April 2026, removed to federal court, pending remand.

Dutch regulator cases against operators

The KSA has also been to court over fines on licensed and unlicensed operators.

• Gammix EUR 19.6M fine and EUR 4.4M penalty collection: the KSA fine, contested and on appeal.
• Raad van State cuts EUR 500,000 KSA fine: fine reduced for undue delay, November 26, 2025.

Questions people ask

What did the KSA order Polymarket to do?

It ordered Polymarket's operator on January 20, 2026 to stop offering event contracts in the Netherlands within four weeks, on pain of a penalty payment. The order is KSA kenmerk 22310/01.370.802.

Is the Polymarket penalty EUR 420,000 or EUR 840,000?

EUR 420,000 per week or part of a week, up to a maximum of EUR 840,000; one week, EUR 420,000, was forfeited.

Did Polymarket pay the EUR 420,000?

Not confirmed: the KSA's collection decision demands EUR 420,000 and the record does not show payment.

Has a court ruled on the Polymarket order?

No; a challenge in the Rechtbank Den Haag is reported from early October 2026, with no case number or hearing date found.

Is Polymarket legal in the Netherlands?

The KSA's position is that offering it is unlicensed gambling, and the courts have not yet ruled; the country-by-country picture is on our Polymarket in Europe tracker.

Are event contracts gambling or financial products?

That is the question the Hague court will have to decide in this case; the US side of the same question is covered on our page on how Kalshi is legal: the swaps question.