Kalshi Suspended a California Politician and a YouTuber for Insider Trading

Leading prediction market Kalshi has revealed details of two recent insider trading cases it flagged to authorities, giving a rare look at how the platform enforces its policies.

Supreme Court Rules Most of Donald Trump’s Tariffs Are Illegal

In a 6-3 ruling, justices upended the Trump administration’s signature economic policy, potentially putting the US government on the hook for at least $175 billion in tariff refunds.

The War Over Prediction Markets Is Just Getting Started

Prediction markets like Kalshi and Polymarket are booming, and so is a fight among regulators, lawmakers, and advocates over their legality.

Leading US Research Lab Appears to Be Squeezing Out Foreign Scientists

House Democrats are demanding answers from the National Institute of Standards and Technology and urging it to halt rumored changes they say could undermine its mission.

Senators Urge Top Regulator to Stay Out of Prediction Market Lawsuits

As prediction market platforms like Polymarket and Kalshi battle regulators in court, Senate Democrats are urging the CFTC to avoid weighing in, escalating a broader fight over the burgeoning industry.