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.
Change ×
Will Dwayne 'The Rock' Johnson win the 2028 Democratic presidential nomination?
1%
– 0.1pt
Vol $50 today · $12.5M total
Possibly the same event, on the other platform
Kalshi
Will Dwayne Johnson be the nominee for the Presidency for the Democratic party?
0%
Kalshi
Will J.B. Pritzker be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Gavin Newsom be the Democratic Presidential nominee in 2028?
14%
Kalshi
Will Jon Ossoff be the Democratic Presidential nominee in 2028?
14%
Kalshi
Will Pete Buttigieg be the Democratic Presidential nominee in 2028?
5%
Kalshi
Will Hunter Biden be the Democratic Presidential nominee in 2028?
0%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.