Polymarket halts international trading after third-party breach, resumes and pledges to reimburse users
Polymarket paused its international exchange after a compromised outside vendor drained user accounts, then resumed trading and said affected users would be mad
Reuters · +15 outlets
Polymarket investigates suspicious insider trading on Israeli election markets
Polymarket opened an investigation into suspicious trades tied to Israeli election contracts, including Netanyahu's Likud, after newly created accounts reported
Casino.org · +14 outlets
Sens. Warren and Curtis press Kalshi and Polymarket on election insider-trading safeguards
A bipartisan pair of senators asked the two prediction market platforms to disclose how they police insider trading in election markets ahead of the midterms.
CoinMarketCap · +6 outlets
Polymarket and Kalshi face midterm accuracy test as election markets draw millions
The two prediction market platforms are being scrutinized as their midterm election contracts become a multimillion-dollar market and a test of their forecastin
The New York Times · +14 outlets
SEC eyes manipulation and insider risk in prediction markets
The SEC is examining manipulation and insider-trading risks in prediction markets as the sector grows.
Yahoo Finance UK · +6 outlets
Crypto markets rattled as Binance and Polymarket breaches trigger frozen stablecoin funds
Stablecoin issuers froze more than $2 billion tied to the Binance and Polymarket security incidents as crypto markets reacted.
Trade Brains · +4 outlets
Kalshi and Polymarket ramp up media partnerships ahead of the midterms
The prediction market rivals struck a series of media deals to raise visibility before the midterm elections.
Bloomberg.com
Polymarket taps Palantir to police sports prediction markets
Polymarket is bringing in Palantir technology to monitor its sports prediction markets for abuse.
CoinMarketCap · +7 outlets
Polymarket deepens Chainlink partnership as official oracle, launches gold and silver trading
Polymarket expanded its use of Chainlink as its official oracle for high-speed up/down markets and added gold and silver contracts.
StreetInsider · +8 outlets
FOX Sports compares Polymarket and Kalshi for 2026 users
A comparison guide weighs the two main prediction market platforms for prospective users.
FOX Sports · +14 outlets
Financial Times profiles Polymarket figure Thomas Zaleski's return
An FT column looks at the return of a notable Polymarket-linked figure.
Financial Times