Multiple outlets rank and compare prediction market platforms for US users, with Kalshi and Polymarket frequently compared.

Brazil's regulatory action removes access to major prediction market platforms in a key Latin American market.

The city claims the prediction platforms violated consumer protection laws by offering sports event contracts without state gaming licenses.

JPMorgan terminates Polymarket's banking relationship citing regulatory concerns, as scrutiny of prediction markets intensifies from both regulators and banks.

Prediction platforms are referring suspected insider trading to regulators at a rising pace, as the CFTC struggles to distinguish material from immaterial nonpu

The city of Baltimore names Kalshi and Polymarket in a lawsuit also citing Coinbase and Robinhood, claiming the platforms facilitate unlicensed sports wagering.

Futurism reported that Polymarket markets are being used to monetize non-public military information, drawing comparisons to biblical levels of insider trading.

A U.S. soldier reportedly profited from a prediction market based on non-public information about a military operation, prompting Polymarket to announce securit

A Google information security engineer was charged with insider trading on Polymarket, highlighting platform security vulnerabilities and sparking industry-wide

Crypto exchange Phemex introduced a prediction market product using Polymarket's infrastructure, alongside a month-long forecasting championship.

Crypto.com deploys Solidus Labs' HALO surveillance technology to expand into prediction markets, competing directly with Kalshi and Polymarket.

South Korea's block on Polymarket signals expanding international regulatory pressure on prediction market platforms.

Nate Silver's new election model makes Democrats favorites to win Senate control, but prediction market odds on Polymarket and Kalshi are less confident, showin

A new dashboard aggregates real-time odds from multiple prediction market platforms into a single interface.

Polymarket odds for Tennessee to reach the College Football Playoff quarterfinals stood at 49%, though the market showed no recent trading activity.

Polymarket odds list Jay-Z as the leading candidate to headline the next Super Bowl halftime show.

A report compared NFL prediction market trading volumes between Kalshi and Polymarket.

Polymarket's trading volume data was broken down by week and category, showing where activity is concentrated.