The Aporia · Polymarket temporarily suspends trading on international platform due to security incident

Polymarket temporarily suspends trading on international platform due to security incident

Read the original at The Guardian ↗

Cite

APA MLA Chicago

Associated Press. (2026, October 29). Polymarket temporarily suspends trading on international platform due to security incident. The Guardian. https://www.theguardian.com/world/2026/oct/29/polymarket-temporarily-suspends-trading-security-incident

Dated from the outlet's own feed. Check the original for its byline.

Quick Summary

Polymarket suspended trading on its international platform for about an hour on Thursday due to a security incident involving a third-party provider, DebugBear, which offers website performance-monitoring tools. Trading resumed in the afternoon after Polymarket addressed the issue and assured traders of full reimbursement. The company referred the matter to UK law enforcement and emphasized their commitment to compensating affected users.

Written by AI on 2026-10-30, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

On October 29, 2026, Polymarket halted trading on its international platform for nearly an hour due to a security incident involving a compromised third-party provider. While Polymarket did not confirm user losses, it stated that anyone impacted would be fully reimbursed. The crypto news website The Block, citing data from blockchain analysis group Arkham, reported that approximately $2.65 million in cryptocurrencies had been siphoned from the platform. Trading resumed around 3 p.m. ET after Polymarket fixed the issue and assured affected traders they would be made whole. The company referred the incident to relevant law enforcement agencies.

Written for “Polymarket Halts Trading Due to Security Issue” on 2026-10-30, grounded in this article and the 3 other(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 0% of its claims. Each row says how that neighbour differs.

Polymarket paused international trading after a security issue involving a third-party provider Same event

Toronto Star

Hedges 0 of 3 claims Outlet record 64/100

Polymarket trading halted after vendor compromise; impacted users will be ‘made whole’ Same event

NBC News

Hedges 2 of 16 claims Outlet record 60/100

Polymarket halts trading after ‘security incident’ siphons $2.65 million in minutes Same event

Washington Examiner

Hedges 0 of 2 claims Outlet record 70/100

Feds probe whether Polymarket violated 2022 deal to block US traders: report Different event

New York Post

Hedges 2 of 26 claims Outlet record 66/100

“The articles describe different incidents: one is about a federal investigation into whether Polymarket violated a previous settlement, and the other reports on a temporary suspension of trading due to a security incident.”

How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted

sentences that state something as happening or true

Uncertain

0 of 12 hedged ("reportedly", "may", "according to")

Leaning

not political

takes no side on a contested political question

Publisher signals

66/100

The Guardian's corrections and hedging, across everything collected from it. Not a measure of accuracy.

Outlets on this story

Technology

Same framing elsewhere

articles that frame the event the way this one does

Analyzed 2026-10-30 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability

Source leaning vs. consistency

Publisher

The Guardian · 2688 article(s) · 6 correction(s) detected

Running correction rate · 6 correction(s)

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Who wrote this

Associated Press

566 article(s) here · 1 carrying a prediction

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🔮 The company said anyone who was affected “will be made whole”.

2026-10-29 · assertive framing · Polymarket temporarily suspends trading on international platform due to security incident

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Wire or desk byline, not an individual reporter.

Also by Associated Press

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Nothing else under this byline is closely related to this article, so these are simply their most recent.

All 566 articles by Associated Press →

Topics

DebugBear Polymarket the United Kingdom

Subjects

DebugBear ORG · 2× Polymarket ORG · 2× the United Kingdom GPE · 1×

Narrative

Polymarket temporarily halted trading on its international platform on Thursday because of a security incident that compromised a third-party provider, the company said.

framing: assertive · carried by 1 article(s) · first seen 2026-10-30

🔮 The company said anyone who was affected “will be made whole”.

2026-10-30 · The Guardian

Polymarket temporarily suspends trading on international platform due to security incident · assertive framing

Claims (12 extracted, 0 hedged)

Polymarket temporarily halted trading on its international platform on Thursday because of a security incident that compromised a third-party provider, the company said. asserted

company → halt → provider

Trading was paused for about an hour and resumed on Thursday afternoon. asserted

Trading → pause → afternoon

The company has promised to fully reimburse any affected traders. asserted

company → promise → traders

The prediction market platform said it halted trading “out of an abundance of caution” after identifying and fixing the issue affecting its international platform. asserted

it → say → platform

“We’ll make this right and are fully reimbursing all affected traders,” the company posted on X once trading had resumed. asserted

trading → make → X

Polymarket said it referred the incident to a law enforcement agency in the United Kingdom. asserted

it → say → Kingdom

Reports have linked the source of the incident to DebugBear, a UK-based company offering website performance-monitoring tools. asserted

Reports → link → tools

DebugBear’s own website was unavailable on Thursday afternoon and the company posted on X that it was “impacted by an ongoing security incident”. asserted

it → post → incident

It also advised clients who were using one of its products to remove the embed code from their websites. asserted

who → advise → websites

The company did not immediately respond to a request for comment. asserted

company → respond → comment

It was not immediately clear to what extent traders using the popular prediction market platform were affected, or the breadth of the impact. asserted

traders → use → impact

The company said anyone who was affected “will be made whole”. asserted

who → say → ?