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 the Democrats win the Michigan Senate race in 2026?
71%
Polymarket
Will the Republicans win the Michigan Senate race in 2026?
30%
Polymarket
Will Dan Sullivan win the Alaska Senate race in 2026?
26%
Polymarket
Will Mary Peltola win the Alaska Senate race in 2026?
75%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.