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
Trump out as President before 2027?
4%
Polymarket
Will J.D. Vance announce a presidential run before 2027?
0%
Polymarket
Will J.B. Pritzker announce a Presidential run before 2027?
1%
Polymarket
Will MrBeast announce a Presidential run before 2027?
4%
Polymarket
Will Marco Rubio announce a presidential run before 2027?
1%
Polymarket
Will Jon Ossoff announce a Presidential run before 2027?
2%
Change ×
Will Ukraine hold a presidential election before Jan 1, 2027?
5%
▼ 1.5pt
Vol $1 today · $18.5K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.