Polymarket vs. Kalshi
Compare markets
See where the two biggest prediction markets disagree. Pick any two markets, or start from the biggest gaps below: prices, volume, history and the resolution rules, side by side.
Possibly the same event, on the other platform
Polymarket
Will the Republicans win the Texas Senate race in 2026?
36%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
65%
Polymarket
Will there be a Hormuz agreement and the Republicans win the Senate?
4%
Polymarket
Will oil be at least $85 on November 2 and the Republicans win the Senate?
30%
Polymarket
Will oil be below $85 on November 2 and the Republicans win the Senate?
3%
Polymarket
Will the Republican Party control the Senate after the 2026 Midterm elections?
36%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.