Polymarket Resumes Limited Trading After $2.65 Million Security Exploit
Key Facts
Polymarket resumed trading in cancel-only mode following a security exploit that resulted in a $2.65 million loss. The platform restored limited operations after addressing a breach involving a third-party data provider that led to unauthorized fund withdrawals.
The resumption of activity on October 29, 2026, follows a total suspension intended to safeguard trader assets. Reuters reported that the platform addressed claims of suspicious wallet activity, leading to the initial pause before transitioning to the current restricted trading status to manage the impact of the unauthorized access.
Latest Updates · 3
- Major·
Update: Polymarket confirmed on October 29, 2026, that the hack resulted in $1.4 million being drained from user accounts. The platform has pledged to make all impacted users whole by providing full reimbursement for the losses.
- Major·
Update: Polymarket announced that traders who lost funds due to the recent hack will be made whole. The move aims to restore user confidence following the confirmation of unauthorized withdrawals on October 29, 2026.
- Notable·
Update: Polymarket launched an investigation into suspicious trading activity related to the Israeli election on October 29, 2026. The move expands the platform's security review to include irregular trading patterns alongside its response to the third-party data breach.