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 Wes Moore be the Democratic Presidential nominee in 2028?
2%
Kalshi
Will Wes Moore be the nominee for the Vice Presidency for the Democratic party?
6%
Kalshi
Will J.B. Pritzker be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Josh Shapiro be the Democratic Presidential nominee in 2028?
5%
Kalshi
Will Mark Cuban be the Democratic Presidential nominee in 2028?
1%
Kalshi
Will Zohran Mamdani be the Democratic Presidential nominee in 2028?
0%
Change ×
Will Wes Moore win the 2028 Democratic presidential nomination?
2%
– 0.1pt
Vol $2.3K today · $18.5M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.