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 Greg Abbott be the nominee for the Presidency for the Republican party?
0%
– 0.0pt
Vol $22.2K today · $1.4M total
Possibly the same event, on the other platform
Polymarket
Will Greg Abbott win the 2028 Republican presidential nomination?
0%
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
39%
Polymarket
Will Tom Cotton win the 2028 Republican presidential nomination?
0%
Polymarket
Will Rick Scott win the 2028 Republican presidential nomination?
0%
Polymarket
Will Donald Trump win the 2028 Republican presidential nomination?
2%
Polymarket
Will Tim Scott win the 2028 Republican presidential nomination?
0%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.