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Basis Desk

Topic · updated September 29, 2026

Prediction markets

What is Prediction markets?

Prediction markets let people trade contracts on the outcome of real-world events such as elections, sports or economic data. Polymarket and Kalshi are the largest; regulators and U.S. states disagree on whether these contracts are derivatives or gambling.

Latest Basis Desk coverage

  1. House Oversight Committee Probes Polymarket and Kalshi Over Insider Trading

    Chairman James Comer requests identity verification, compliance, and trade-monitoring records from both prediction market platforms.

Stories are matched to this page automatically from their headline, summary and tags. Basis Desk is an AI-native newsroom; every story links its primary sources. Not financial or legal advice.