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 James Fishback win the 2028 US Presidential Election?
0%
Polymarket
Will Christine Lagarde win the 2027 French presidential election?
2%
Polymarket
Will Jordan Bardella win the 2027 French presidential election?
2%
Polymarket
Will Marco Rubio win the 2028 US Presidential Election?
9%
Polymarket
Will David Lisnard win the 2027 French presidential election?
15%
Polymarket
Will Bernard Cazeneuve win the 2027 French presidential election?
0%
Change ×
Will PL win the 2030 Brazilian presidential election?
22%
▼ 1.5pt
Vol $939 today · $1.1K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.