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
Kalshi
Will Michelle Obama be the Democratic Presidential nominee in 2028?
2%
Kalshi
Will Pete Buttigieg be first this list to declare for 2028 United States presid…
33%
Kalshi
Will Gretchen Whitmer be first this list to declare for 2028 United States pres…
1%
Kalshi
Will Gavin Newsom be first this list to declare for 2028 United States presiden…
13%
Kalshi
Will Barack Obama be the Democratic Presidential nominee in 2028?
0%
Kalshi
Will Michelle Obama be the nominee for the Vice Presidency for the Democratic p…
2%
Change ×
Will Michelle Obama win the 2028 US Presidential Election?
0%
– 0.0pt
Vol $22.8K today · $19.5M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.