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 Iliana Iotova win the next Bulgarian presidential election?
72%
Polymarket
Will Olivia Chow win the 2026 Toronto mayoral election?
80%
Polymarket
Will Аndrey Gyurov win the next Bulgarian presidential election?
27%
Polymarket
Will Brad Bradford win the 2026 Toronto mayoral election?
21%
Polymarket
Will Chiang Wan-an win the next Taipei Mayor election?
65%
Polymarket
Will Puma Shen win the next Taipei Mayor election?
35%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.