The Pentagon's ban follows a soldier allegedly using classified mission details to win about $400,000 on Polymarket, drawing attention from Congress and the Whi

The record week underscores how quickly event-contract trading has scaled, though questions remain about whether the volume reflects durable demand or speculati

The CMO's exit follows an internal probe into fake-trade activity, a reputational test for Polymarket as it faces heightened regulatory scrutiny.

The total illustrates prediction markets' growing role in US elections, which regulators and lawmakers are watching closely.

Polymarket traders heavily favor Flavio Bolsonaro on the eve of the second round of Brazil's presidential runoff.

The stunt drew criticism from gambling-harm groups as evidence of expanding advertising by prediction markets.

The removal followed criticism that the contract let users wager on the legal fate of named individuals.

The donations highlight prediction markets' deepening political involvement ahead of the 2026 midterms.

Traders are pricing a November listing for Anthropic as the AI developer weighs going public.

The reported deal adds to scrutiny of celebrity endorsements of prediction markets.

The comments from Knicks guard Josh Hart show players' limited say over team-adjacent sponsorship deals with prediction markets.

The disclosure gives a rare look at Polymarket's revenue split after a change to its pricing model.

Traders put Eisenkot well ahead of Netanyahu in the market for Israel's next prime minister.

Ongoing legal challenges to the two largest prediction markets are creating an opening for rivals.

The gap points to discrepancies in how Polymarket's Fed contracts are listed and priced.

Kalshi and Polymarket pricing on the Talarico versus Paxton matchup is being tracked alongside polls.

The update tracks Kalshi and Polymarket pricing on South Carolina's Senate and governor contests.

The forecast models the battle for Senate control ahead of the 2026 midterms.