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 Ted Cruz win the 2028 US Presidential Election?
1%
Polymarket
Will Elon Musk win the 2028 US Presidential Election?
0%
Polymarket
Will Gretchen Whitmer win the 2028 US Presidential Election?
0%
Polymarket
Will Michelle Obama win the 2028 US Presidential Election?
0%
Polymarket
Will Gavin Newsom win the 2028 US Presidential Election?
9%
Polymarket
Will Kamala Harris win the 2028 US Presidential Election?
4%
Change ×
Will Kanye West announce a run for President of the United States in 2028?
34%
▲ +16.0pt
Vol $908 today · $908 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.