The suit alleges illegal gambling and consumer violations, adding Arkansas to a growing list of states challenging Kalshi's sports event contracts.
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Kalshi and Polymarket prices flagged Democratic wins before TV networks called races, a credibility boost as regulators scrutinize the sector.
A string of rulings has let states enforce gambling statutes against Kalshi's event contracts while its CFTC fight continues.
Studios and producers are barring insiders from trading on movie news and release dates over insider-trading concerns.
The internal investigations focus on possible manipulation and insider activity around election markets.
The updated insider trading policy adds prediction markets to the list of venues where staff are barred from trading on nonpublic information.
The exchange is embedding Kalshi-powered event contracts into its US app, widening distribution of regulated prediction markets.
Kalshi's single-stock and crypto perps keep trading while courts weigh the CFTC's challenge to the products.
The New York attorney general's scrutiny adds to state-level pressure on Kalshi's sports event contracts.
Tribes are split over Kalshi partnerships as casino operators worry about gaming revenue and compacts.
The disclosure underscores how quickly event contracts have become a revenue driver for retail brokerages.
The agreement with Ohio regulators is the latest state-level restriction on sports event contracts.
Polymarket and Binance paused trading after exploits, while Polygon weighs a fork to recover the stolen tokens.
Analysts and market makers are positioning for institutional liquidity and volumes in event contracts.
The new offering extends Kalshi beyond event contracts into equity-linked perpetual derivatives.
Mansour addressed the election-night performance and the regulatory questions facing prediction markets.
The league's partnership brings new fan engagement but raises integrity and gambling-policy questions.
The operator acknowledged event contracts are drawing customers away from traditional sportsbooks.
The data provider cited prediction market momentum ahead of its Atrium exit.
The advocacy group argues prediction markets overstated their election forecasting record.
State and national races are attracting large event-contract volumes ahead of the 2026 cycle.
The volume reflects heavy trading interest in competitive Senate contests.
The classification fight sits at the center of state and federal enforcement actions.
Prediction market prices point to a lopsided contest in the Nevada governor's race.
Traders repriced the policy contract after Democrats won key races.
Kalshi and Polymarket prices show the field for the 2028 Democratic nomination and Marco Rubio's exit odds.
Traders repriced Thursday Night Football totals and props around the quarterback change and trade deadline.
Younger traders are using event contracts as an alternative to traditional investing.
Kalshi is funding a statewide education initiative as part of its public affairs push.
Parlay-style combo contracts drew heavy volume alongside election markets.
The conference will gather European operators and regulators as the sector faces scrutiny.
The case illustrates how niche contracts get listed on prediction market venues.
The proposed market would extend event contracts to college admissions data.
Market prices put the two stars at the front of the MVP field.
A safer-gambling advocate argued event contracts could erode traditional sportsbook share.
Operators are seeking between-election trading volume in sports and other categories.
The market priced expectations for the upcoming jobs report.
The injury shifted Heisman odds at the top of the market.
Traders moved the coach's job-security contract as the season progressed.
A roundup of active contracts on tech and sports questions.
The runoff contract repriced as ballots were tallied.
Agricultural hedging via event contracts is being debated as a possible use case.