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 the Democratic party win the House in 2028?
72%
Kalshi
Will Democratic win the Presidency in 2028?
60%
Kalshi
Will the Republican party win the House in 2028?
27%
Kalshi
Will the Democratic party win the governorship in New Hampshire
8%
Kalshi
Will the Republican party win the House, the Republican party win the Senate, a…
15%
Kalshi
Will Democratic win the 2028 popular vote by 8.0% to 8.99%?
14%
Change ×
Will the Democratic Party win the NC-09 House seat?
33%
▲ +1.0pt
Vol $71K today · $160.8K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.