Legal

Netherlands gambling regulator moves to collect €420k Polymarket penalty

Published Jun 17, 2026 Updated 6h ago

The Netherlands Gambling Authority (KSA) has moved to collect a €420,000 penalty from Polymarket operator Adventure One QSS Inc. The regulator is enforcing the fine against the entity that operates the prediction market platform in the Dutch market.

Why this matters?

Shows EU national regulators are willing to fine prediction market operators even for the non-US platform, creating a patchwork compliance burden for Polymarket across jurisdictions.

The bigger picture

Joins a CFTC enforcement action against Minnesota, a Kentucky tax challenge by Kalshi and Crypto.com, and an Atlantic Council push for European-style US rules on Polymarket and Kalshi, showing prediction market operators now fight on three regulatory fronts — state, federal, and foreign — simultaneously.

In this story
Add Prediction News as a preferred source on Google Get our prediction-market coverage prioritized in your search results

Related Stories

See More
Legal

Nevada seeks contempt order against Kalshi over alleged geofence violation

Legal

Novig wins CFTC approval to run Ludlow Exchange as sports prediction market

Legal

CFTC proposes 267-page framework permitting sports event contracts, banning war markets

Deals

Kalshi perpetual futures hit $5.5 billion in two weeks, fastest launch ever

Legal

Gaming industry groups lobby Senate to ban sports prediction markets in crypto bill

Trading

Robinhood tests Rothera for some World Cup contracts while keeping others on Kalshi