Polymarket vs. Kalshi
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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
Kalshi
Will PRI win the 2030 Mexican presidential election?
2%
Kalshi
Will Missão win the 2030 Brazilian presidential election?
2%
Kalshi
Will NOVO win the 2030 Brazilian presidential election?
3%
Kalshi
Will Republicanos win the 2030 Brazilian presidential election?
23%
Kalshi
Will MC win the 2030 Mexican presidential election?
10%
Kalshi
Will PAN win the 2030 Mexican presidential election?
20%
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Will Élisabeth Borne win the 2027 French presidential election?
0%
– 0.0pt
Vol $2 today · $5.6M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.