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.
Change ×
Will Marco Rubio announce a run for President of the United States before Jun 1, 2027?
36%
▲ +4.0pt
Vol $0 today · $0 total
Possibly the same event, on the other platform
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.