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 JD Vance win the 2028 US Presidential Election?
20%
Polymarket
Will Gavin Newsom win the 2028 US Presidential Election?
12%
Polymarket
Will Candace Owens win the 2028 US Presidential Election?
0%
Polymarket
Will Kamala Harris win the 2028 US Presidential Election?
4%
Polymarket
Will Marco Rubio win the 2028 US Presidential Election?
9%
Polymarket
Will Michelle Obama win the 2028 US Presidential Election?
0%
Change ×
Who will win the 2028 United States vice presidential election?
2%
– 0.0pt
Vol $0 today · $82 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.