By Douglas Gillison WASHINGTON, June 8 (Reuters) - Prediction market watchdogs may struggle to police betting on the U.S.

Influencers are using prediction market odds to sow doubt in vote counting, in some cases in posts paid for by the companies ...

Prediction markets are moving into the mainstream, giving investors a new way to watch crowd expectations – and a risky way ...

About 90% of Kalshi's volume has come from sports contracts in recent months. In late 2024, prediction markets seemed poised to take over the world. Thanks to a big win in a court case against the ...

Kalshi and Polymarket have promoted themselves as more accurate alternatives to opinion polls. But just how good are ...

Prediction market trading volume has risen from under $5 billion monthly in mid 2025 to nearly $24 billion in April 2026, ...

Prediction markets have gone from a niche internet product to mainstream surprisingly quickly. The idea is simple: you put real money behind your forecast on a real-world event — who wins the election ...

The prediction markets seem to have a strong opinion about who — or at least which party — will win the 2028 presidential election. As of this week, prediction market Kalshi gives the Democratic party ...

Could the 2026 Midterms flip control of House and Senate? Here's who's winning in midterm election polling; polls and predictions ...