Polymarket news
The latest Polymarket update, October 29, 2026: Polymarket halts trading for an hour after third-party provider compromise. Users reported drained wallets on the international site. Polymarket code dexsheet. Checked against Polymarket's own announcements or two reputable outlets.
Updated 2026-10-31 · all venue newsPolymarket code: dexsheet · how to use it
Incident October 29, 2026
Polymarket halts trading for an hour after third-party provider compromise
Polymarket put its international exchange, polymarket.com, into cancel-only mode and paused relayer actions at 14:05 ET on 29 October 2026 while it investigated an incident. It later said one of its third-party providers had been compromised, that it had fixed the issue and referred it to law enforcement, and that anyone impacted will be made whole. Its status page marked the incident resolved at 15:05 ET, and Polymarket then said trading was fully back online and that it is fully reimbursing all affected traders.
Who is affected: Users of the international polymarket.com site, especially those whose wallets were drained; anyone with open orders or pending transfers during the halt.
Product October 29, 2026
Polymarket adds 15-minute gold and silver Up or Down markets, settled by Chainlink
Polymarket said on 29 October 2026 that 15-minute Up or Down markets on gold and silver are live, and named Chainlink as its official oracle for its high-speed Up or Down markets. Each market asks whether the gold or silver price at the end of a 15-minute window will be at or above the price at the start, measured by Chainlink's XAU/USD or XAG/USD data stream.
Who is affected: Traders on the international polymarket.com site who trade short-dated price markets; US users cannot trade them there.
Availability October 28, 2026
Polymarket US to end sports contracts in Michigan, close positions by Nov. 25
QCX LLC, which operates Polymarket US, has agreed to stop offering new sports-related event contracts to Michigan customers and to close out any remaining open positions by the end of the day Eastern time on 25 November 2026, the Michigan Gaming Control Board (MGCB) announced on 28 October 2026.
Who is affected: Polymarket US customers in Michigan who trade or hold sports event contracts.
Regulatory October 23, 2026
Kalshi and Polymarket US sue Louisiana to block enforcement against sports contracts
KalshiEX LLC sued Louisiana Attorney General Liz Murrill, Governor Jeff Landry, the Louisiana Gaming Control Board and other state officials in the US District Court for the Western District of Louisiana on 23 October 2026. QCX LLC, which runs Polymarket US, filed a similar suit against the attorney general and Gaming Control Board members in the Eastern District of Louisiana on 27 October. Both ask the courts to stop the state enforcing its gambling laws against their federally regulated exchanges.
Who is affected: Kalshi and Polymarket US users in Louisiana who trade sports event contracts.
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