Kalshi

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Polymarket Bets on US-Iran Ceasefire Raise Eyebrows

Suspicious Polymarket wagers raise war profiteering, insider trading fears

(Newser) - In a corner of the crypto world, war and wagers appear to be colliding. Experts tell the Guardian that a cluster of new accounts on online prediction platform Polymarket laid unusually large, well-timed bets on a US-Iran ceasefire that look a lot like someone trading on secret information. The platform...

Kalshi, Polymarket Rush to Ban Insider Trading

Senators launch bipartisan push to rein in prediction markets

(Newser) - Kalshi and Polymarket, the two biggest prediction market platforms, rushed to institute new industry guardrails on Monday after two key senators announced legislation that could severely curtail the industry's prospects. Kalshi said it would ban political candidates from trading on their own campaigns, and it would preemptively block anyone...

One Game Busted Half of All NCAA Brackets

TCU's upset of Ohio State took out millions; day ends with more than 99% of brackets dead

(Newser) - Day one of the NCAA tournament busted a lot of brackets. Only about 14,000 flawless entries remain out of more than 36 million submitted across major platforms, reports Forbes , citing NCAA stats . The carnage started immediately: Over half of all brackets died with the opening game, when No. 9...

'Imagine a Sports Bar ... but Just for Situation Monitoring'

Crypto prediction platform Polymarket wants to open 'The Situation Room' in DC for just that purpose

(Newser) - Polymarket is hoping to turn doomscrolling into a night out. The crypto-based prediction platform says it plans to open a pop-up bar in Washington, DC, this weekend called The Situation Room, pitched as a sports pub-style venue where betting on global events will be the main attraction—think live X...

Arizona Isn't Letting Itself Be 'Bullied' by Kalshi

State's criminal charges allege prediction market enables unlicensed betting on sports, elections

(Newser) - Arizona just turned up the heat on the booming prediction-market business. The state's attorney general has filed the first-ever criminal case against Kalshi, accusing the New York-based platform of operating an unlicensed online gambling scheme that lets Arizonans wager on sports and elections without state approval, reports NPR . Sports...

Prediction Markets Hook Gen-Z Gamblers

Looser rules and digital design fuel youth gambling addiction risks

(Newser) - Teenagers shut out of traditional sportsbooks are finding a back door into gambling-style wagers—prediction markets that regulators haven't fully caught up to yet. Quartz reports that Wall Street analysts and gambling researchers say platforms such as Kalshi and Polymarket are drawing a wave of 18- to 20-year-olds, a...

They Bet Khamenei Would Be 'Out' but Saw Payout Evaporate
They Bet Khamenei Would Be
'Out' but Saw Payout Evaporate
in case you missed it
Mar 8, 2026 7:30 AM CDT

They Bet Khamenei Would Be 'Out' but Saw Payout Evaporate

Kalshi refunds all fees, bets tied to Khamenei market

(Newser) - Prediction market Kalshi dangled what looked like a big win, then yanked it back, some bettors complain. After news broke of Ayatollah Ali Khamenei's killing, users who had wagered he'd be "out as Supreme Leader" by April saw green check marks on their screens—until Kalshi froze...

He Bet the Government Couldn't Spend Less, and Won

Alan Cole figured Social Security, Medicare spending would squash any DOGE gains

(Newser) - Plenty of Americans doubted whether Elon Musk and his Department of Government Efficiency could truly cut federal spending. One skeptical DC tax economist bet his life savings on it. In the Wall Street Journal , Richard Rubin profiles 37-year-old Alan Cole, who moved all $342,195.63 he had excluding retirement...

Unusual Bets on Alien Life Raise Suspicions

Expert believes they were placed either by an amateur trader or somebody with insider info

(Newser) - A nearly six-figure wager on aliens has turned one corner of Wall Street-style betting into a conspiracy theorist's dream. The Atlantic 's Ross Andersen reports that on Monday night, a trader on prediction platform Kalshi suddenly dropped close to $100,000 on a contract that pays out only...

Kalshi: MrBeast Editor Flagged After 'Near-Perfect' Bets

Editor allegedly used insider info to bet on MrBeast markets

(Newser) - A prediction market is accusing someone in MrBeast's inner circle of trying to cash in on insider information. Kalshi said Wednesday it has suspended Artem Kaptur, an editor on the YouTube star's videos, after finding what it called "near-perfect" success on roughly $4,000 worth of bets...

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