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 Candace Owens win the 2028 Republican presidential nomination?
0%
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
38%
Polymarket
Will Elon Musk win the 2028 Republican presidential nomination?
1%
Polymarket
Will Vivek Ramaswamy win the 2028 Republican presidential nomination?
0%
Polymarket
Will Glenn Youngkin win the 2028 Republican presidential nomination?
0%
Polymarket
Will Ron DeSantis win the 2028 Republican presidential nomination?
4%
Change ×
Will Candace Owens be the nominee for the Presidency for the Republican party?
1%
– 0.0pt
Vol $500 today · $76.2K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.