For Democrats to take control of the U.S. Senate, they have to flip four seats currently held by Republicans. Republicans, meanwhile, are playing defense and pickup opportunities are harder to find.

The company said the page gives viewers of its event contracts a central place to see speculators' outlook for the midterm elections.

Add Yahoo as a preferred source to see more of our stories on Google. Polymarket advertisements predict a victory for Zohran Mamdani in the New York City mayoral election in November 2025. (Olga ...

The significant boom of prediction markets is pushing U.S. elections into uncharted territory, prompting concern and scrutiny about the risks and regulation of betting on political outcomes. Kalshi, ...