Sports
Medvedev’s ATP Hangzhou odds jump 19pts to 60%
Traders price Daniil Medvedev at 60% to win ATP Hangzhou after a one-day jump.
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
Kalshi holds $9.6bn of $10bn weekly non-sports volume
Public now lets AI agents trade Kalshi event contracts & use the odds to trigger stock & options trades elsewhere in a portfolio.
Politics
Cooper hits 94.5% on Kalshi in North Carolina Senate race
Traders price Roy Cooper at 94.5% to win North Carolina's open Senate seat on Kalshi.
Markets
Novig, Kalshi chase fans as prediction markets go mainstream
Sydney Sweeney has signed on as a partner & equity holder in sports prediction exchange Novig.
Sports
Fitzpatrick’s FedEx Open price climbs to 77% on Kalshi
Traders on Kalshi pushed Matt Fitzpatrick's FedEx Open de France winner price up 27 points in a day.
Markets
25-point swing hits PA-10 House race on PredictIt
Traders slashed the implied chance of a Democratic win in Pennsylvania's 10th District by 25 points in a single day.
Markets
ME-02 Republican odds crash 23 points to 34%
Traders priced Republican odds in Maine's 2nd District down 23 points to 34% in a single day.
Scandal
Polymarket rules eased before $10m fraud attack
Polymarket weakened anti-money-laundering checks before a $10m fraud attack using stolen debit cards, the Wall Street Journal reports.
Regulation
New York sues Polymarket over illegal gambling claim
New York's attorney general has sued Polymarket, alleging it runs an unlicensed gambling business, & the company is pushing back.
Markets
13.6bn contracts traded: Robinhood’s prediction bet pays off
Robinhood's prediction market revenue jumped tenfold to $156m in Q2 even as plaintiffs in six states sue & Missouri orders a halt.
Regulation
35% of bettors cut sportsbook use for prediction markets
A new survey finds over a third of bettors have scaled back sportsbook use as prediction markets grow.
Markets
Tribal casinos sue Kalshi after CEO Mansour’s talks implode
Kalshi CEO Tarek Mansour's private talks with tribal gaming leaders broke down, & now lawsuits threaten the prediction market's business.