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Polymarket halts trading on international platform after third-party provider compromised

By Thomson Reuters Oct 29, 2026 | 1:36 PM

Oct 29 (Reuters) – Polymarket said on Thursday it had temporarily halted trading ​on its international platform ‌after a third-party provider was compromised, adding that it had referred the incident to ‌law ​enforcement.

The prediction market ⁠operator said ⁠it had identified and fixed the issue and would compensate all affected users.

The ​company said it had halted trading as a ⁠precaution while ⁠it worked to bring ​the platform back online.

Prediction markets ​have surged in popularity, ‌with users increasingly trading contracts tied to outcomes ranging from elections and ⁠sports to financial and geopolitical events.

Interest in the platforms grew during ⁠the ‌2024 US presidential ⁠election, driving retail engagement ​and ‌trading activity, while financial ​institutions ⁠are increasingly seeking exposure to event-driven trading.

(Reporting by Prakhar Srivastava in Bengaluru; Editing by Pooja Desai and ​Maju Samuel)