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.B. Pritzker win the 2028 Democratic presidential nomination?
2%
Polymarket
Will MrBeast win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Ro Khanna win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Gavin Newsom win the 2028 Democratic presidential nomination?
7%
Polymarket
Will Adam Hamilton win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Ted Cruz win the 2028 US Presidential Election?
1%
Change ×
Will the Democratic Party win the 2028 Washington House District 24, Position 2 election?
95%
– 0.5pt
Vol $0 today · $0 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.