Every compared market. Prediction market prices compared side by side, across politics, sport, the economy and more.

• Home

  Today’s biggest movers and where venues disagree.

• Politics

  Elections, policy and government, priced by Kalshi and Polymarket.

• Midterms 2026

  Senate, House and governor races for November 2026.

• Sports

  Matches, leagues and championships across the major sports.

• NFL

  This week’s games and the season’s markets.

• Premier League

  Fixtures and season markets for the Premier League.

• Formula 1

  Race winners and the championship.

• Economy

  Fed decisions, interest rates and economic data.

• Crypto

  Bitcoin, Ethereum and other crypto prices.

• Culture

  Awards, box office, music and entertainment.

• Tech

  AI, technology companies and launches.

• Climate and weather

  Temperatures, storms and climate milestones.

• Geopolitics

  Conflicts, diplomacy and world leaders.

• Every open market

  Search every open market on Kalshi and Polymarket.

• Insights

  Our analysis of what the markets are saying.

• Midterm elections 2026 predictions: what the Senate control market is really asking20 October 2026

  The 2026 Senate control market leans Democratic on both Polymarket and Kalshi. How each venue resolves it, why Democrats need 51 seats and Republicans 50, and what could move it before 3 November.

• Milwaukee leads Polymarket's 2026 World Series contract, with two AL sides still playing for the other half18 October 2026

  Polymarket's 2026 World Series contract has three live names left. Milwaukee sits clearly ahead, and the AL half is still being decided in Cleveland.

• NBA 2027 Championship Odds: Spurs and Thunder Lead, but Kalshi and Polymarket Disagree15 October 2026

  Polymarket's NBA 2027 Champion contract spreads probability across all 30 teams, but two names already dominate. Here's what the structure actually tells you.

• Singapore Grand Prix 2026: what prediction markets give Kimi Antonelli for the F1 title9 October 2026

  Kimi Antonelli leads the F1 drivers' championship by 84 points before the Singapore Grand Prix. Live Polymarket and Kalshi prices for the title and the race winner.

• 2026 Midterm Prediction Markets: Where Kalshi and Polymarket disagree2 October 2026

  Compare Kalshi and Polymarket 2026 midterm prediction markets, including Georgia and New Hampshire, and explore why their prices sometimes differ.

Sell at is what a buyer will pay you. Buy at is what a seller will accept. The gap between them is the spread.

• How prediction market odds work
• How to read Kalshi odds
• How to read Polymarket odds
• How to spot mispriced prediction markets
• All learn guides

The venues we price: Kalshi, polymarket.com, Polymarket US, Betfair Exchange, Matchbook, Novig, Underdog, Kalshi via Robinhood. Availability varies by state and country. Our venue guides: Kalshi, Polymarket, Betfair Exchange, Smarkets.