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 J.D. Vance win the 2028 Republican presidential nomination?
38%
Polymarket
Will the Republican Party win the NC-03 House seat?
24%
Polymarket
Will the Republican Party win the CA-23 House seat?
89%
Polymarket
Will JD Vance win the 2028 US Presidential Election?
18%
Polymarket
Will Doug Burgum win the 2028 Republican presidential nomination?
0%
Polymarket
Will Jon Ossoff win the 2028 US Presidential Election?
21%
Change ×
Will the Republican Party win the 2028 West Virginia House of Delegates District 17 election?
97%
– 0.0pt
Vol $0 today · $0 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.