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.
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Will S&D win the 2029 European Parliament election?
8%
▼ 31.5pt
Vol $611 today · $611 total
Possibly the same event, on the other platform
Polymarket
Will Xavier Becerra win the California Governor Election in 2026?
98%
Polymarket
Will Christine Lagarde win the 2027 French presidential election?
2%
Polymarket
Will James Fishback win the 2028 US Presidential Election?
0%
Polymarket
Will Steve Hilton win the California Governor Election in 2026?
2%
Polymarket
Will David Lisnard win the 2027 French presidential election?
16%
Polymarket
Will Jordan Bardella win the 2027 French presidential election?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.