Regulation
Polymarket flags dozens of midterm bets, at least 2 go to CFTC
Polymarket has investigated dozens of midterm election bets for insider trading, with at least two cases sent to the CFTC.
Country
United States
Every PollBet story about betting in the United States: the regulator, the courts, tax & the operators, newest first, each with its sources.
Markets
Anthropic files for Nasdaq debut, traders eye $2tn first day
Traders are pricing Anthropic's Nasdaq debut as near-certain, with bets clustering near a $2 trillion valuation.
Sports
NBA strikes prediction market deals with Kalshi & Polymarket
The NBA has named Kalshi & Polymarket league sponsors under a new integrity framework.
Markets
Robinhood hypes 15-minute bitcoin bets before earnings
Robinhood's prediction-markets boss talks up fast-growing bitcoin, gold & oil bets ahead of Tuesday's Q3 results.
Politics
Midterm trading tops $1.4bn as Kalshi leads with $1.1bn
Prediction markets have traded more than $1.4bn tied to the 2026 US midterms, led by Kalshi.
Markets
Kalshi’s $291bn volume lands inside Phantom’s crypto wallet
Crypto wallet Phantom has added Kalshi prediction markets for US users, with restrictions in Michigan, Nevada & Washington.
Markets
Robinhood’s bitcoin & gold contracts outpace sports growth
Robinhood says bitcoin, gold & oil price contracts are among its fastest-growing prediction markets, as traders look beyond sports.
Markets
Kalshi eyes slice of $7.6tn inflation market
Kalshi is developing CPI futures aimed at the $7.6 trillion inflation market long dominated by OTC swaps.
Markets
Polymarket reportedly fires marketing chief, CEO’s high school friend
Polymarket has reportedly fired chief marketing officer Matthew Modabber, a close friend of CEO Shayne Coplan, after an internal misconduct probe.
Markets
Texas Senate drives $104m midterm trading surge
Election trading on Kalshi, Polymarket US & rivals hit $103.87m in early October, led by the Texas Senate race & House control.
Regulation
Kalshi faces $500,000-a-day fine risk in Michigan contempt bid
Michigan's attorney general wants Kalshi held in contempt for allegedly advertising to residents after a court ban.
Markets
Kalshi uses Dillon Brooks to mock LeBron’s Polymarket deal
Kalshi's new ad starring Suns star Dillon Brooks mocks LeBron James's $15m deal with rival platform Polymarket.