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?
38%
Polymarket
Will the Republicans win the Michigan Senate race in 2026?
29%
Polymarket
Will there be a Hormuz agreement and the Republicans win the Senate?
4%
Polymarket
Will the Democrats win the Michigan Senate race in 2026?
71%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
63%
Polymarket
Will oil be below $85 on November 2 and the Republicans win the Senate?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.