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 Puma Shen win the next Taipei Mayor election?
42%
Polymarket
Will Chiang Wan-an win the next Taipei Mayor election?
60%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
63%
Polymarket
Will there be a Hormuz agreement and the Republicans win the Senate?
3%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
3%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
7%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.