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.
Change ×
Will J.D. Vance be the nominee for the Presidency for the Republican party?
43%
– 0.0pt
Vol $4.2K today · $4.7M total
Possibly the same event, on the other platform
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
44%
Polymarket
Will John N. Kennedy win the 2028 Republican presidential nomination?
0%
Polymarket
Will Doug Burgum win the 2028 Republican presidential nomination?
0%
Polymarket
Will Ron DeSantis win the 2028 Republican presidential nomination?
4%
Polymarket
Will Josh Hawley win the 2028 Republican presidential nomination?
0%
Polymarket
Will Rand Paul 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.