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.
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Will Olivia Chow win the 2026 Toronto mayoral election?
100%
▲ +22.5pt
Vol $284.3K today · $679.5K total
Possibly the same event, on the other platform
Kalshi
Who will win the next New York City mayoral election?
82%
Kalshi
Who will win the next New York City mayoral election?
9%
Kalshi
Will Labour win the next U.K. election?
39%
Kalshi
Who will win the next presidential election?
1%
Kalshi
Who will win the next presidential election?
3%
Kalshi
Who will win the next presidential election?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.