Trading runs through verified Kalshi accounts, while the wallet’s regional guide excludes Michigan, Nevada and Washington.

The BTC, ETH, SOL and XRP markets use CF Benchmarks prices, with ties settling Up and taker fees charged separately from the spread.

The federal complaint targets Utah's case against Kalshi and Susquehanna, seeking to bar investigations as well as enforcement against federally regulated markets.

The platform says a preliminary investigation points to a possible compromise of its third-party API documentation site, which it has taken offline.

Holders on both sides are promised automatic refunds at pre-attack prices, less any winnings already claimed.

At least two investigations were referred to the CFTC, NPR reported, as the platform's House-control market approached $24 million in cumulative trading volume.

The deal brings official league data and NBA branding to Kalshi, while Polymarket receives the same preferred designation.

A hypothetical buy at 40 cents and sale at 60 cents produces nearly identical taker profits. Resting orders and funding methods can change the comparison.

The exchange seeks preliminary and permanent injunctions after Ohio demanded an immediate halt to sports contracts and written confirmation of compliance by Oct. 16.

The state seeks injunctions, restitution and profits, alleging that market makers helped sustain wagering despite Kalshi’s federal court defeat.