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.
Change ×
Will the highest temperature in Tokyo be 25°C on October 20?
1%
▲ +0.7pt
Vol $11.7K today · $14.8K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.