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.
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Will Republican win the 2028 popular vote by 5.0% to 5.99%?
3%
– 0.0pt
Vol $0 today · $3.9K total
Possibly the same event, on the other platform
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
46%
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?
3%
Polymarket
Will Rand Paul win the 2028 Republican presidential nomination?
0%
Polymarket
Will Brian Kemp win the 2028 Republican presidential nomination?
1%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.