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
Polymarket
Will Dwayne 'The Rock' Johnson win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Wes Moore win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Gina Raimondo win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Mitch Landrieu win the 2028 Democratic presidential nomination?
0%
Polymarket
Will LeBron James win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Hakeem Jeffries win the 2028 Democratic presidential nomination?
0%
Change ×
Will Dwayne Johnson be the nominee for the Presidency for the Democratic party?
0%
– 0.0pt
Vol $29.1K today · $3.1M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.