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
Kalshi
Will Republican win the Presidency in 2028?
41%
Kalshi
Will J.D. Vance be the nominee for the Presidency for the Republican party?
43%
Kalshi
Will Pete Hegseth be the nominee for the Presidency for the Republican party?
0%
Kalshi
Will Marco Rubio be the nominee for the Presidency for the Republican party?
19%
Kalshi
Will Ron DeSantis be the nominee for the Presidency for the Republican party?
5%
Kalshi
Will Glenn Youngkin be the nominee for the Presidency for the Republican party?
1%
Change ×
Will Doug Burgum win the 2028 Republican presidential nomination?
0%
– 0.0pt
Vol $250K today · $1.5M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.