Both companies operate in legal gray areas and both have faced allegations that they are vulnerable to market manipulation.

Underdog filed an amicus brief Wednesday backing Kalshi in the prediction market’s lawsuit against the state of Maryland in the U.S. Court of Appeals for the Fourth Circuit.

Boston-based DraftKings plans to launch its own prediction-based product in the US aimed primarily at states were online ...

DraftKings, ESPN’s new online-betting partner, is undoubtedly an upgrade from its expiring one, Penn Entertainment. A person ...

LAS VEGAS, NV - MARCH 15: (EDITORS NOTE: This image was shot with a fisheye lens.) Guests attend a viewing party for the NCAA Men's College Basketball Tournament inside the 25,000-square-foot Race & ...

ESPN signed a new deal making DraftKings its official sportsbook and odds provider, after ending a U.S. online sports betting ...

The network's deal with Penn Entertainment ended early, as ESPN will shift to a partnership with DraftKings Sportsbook.

Few start-ups will have emerged better from the dotcom meltdown than Betfair. Launched in 2000 by Britons Andrew “Bert” Black and Edward Wray, the London-based online betting exchange has since grown ...

DUBLIN (Reuters) - Irish online betting exchange Intrade, which let customers stake cash on everything from the Papal conclave to the date of the next major terror ...