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- Prediction market platform Polymarket reported an outage on its international platform on Thursday, following the hack of a third-party data provider, the company said.
- Traders first flagged on social media platforms that funds were being withdrawn from their wallets without their authorization.
- The company has said it will refund affected wallets and has referred the incident to relevant law enforcement.
The Polymarket midterms 2026 website arranged on a laptop in Forest Hills, New York, US, on Wednesday, Oct. 28, 2026. Gabby Jones | Bloomberg | Getty Images
Prediction market platform Polymarket’s international platform is currently experiencing an outage following a hack of an unnamed third-party provider, the company said on Thursday.
Traders first reported on social media platforms that they were seeing unauthorized withdrawals from their accounts on Thursday afternoon. In response, the company halted trading on its international platform.
Polymarket said that it has fixed the issue on its end, and that trading will resume at 3:00 p.m. ET.
The company also said it will make whole any wallets that have been affected by the hack. A spokesperson also said it has referred the U.K. law enforcement, as that is the country of operation for the third-party provider.
Polymarket’s international prediction market exchange operates as a decentralized finance platform on the polygon blockchain and is not regulated in the U.S. The company’s domestic exchange operated as normal during the outage.
The disruption comes just days before both the company’s international and U.S. exchanges are expected to see heightened volumes during the U.S. midterm elections on Nov. 3.
