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?
88%
Polymarket
Will Аndrey Gyurov win the next Bulgarian presidential election?
13%
Polymarket
Will Kostadin Kostadinov win the next Bulgarian presidential election?
0%
Polymarket
Will New York Knicks win the 2027 NBA Finals?
7%
Change ×
Who will win the next New York City mayoral election?
84%
▲ +1.5pt
Vol $4 today · $6.7K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.