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 J.B. Pritzker be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Stephen A. Smith be the Democratic Presidential nominee in 2028?
1%
Kalshi
Will Gavin Newsom be the Democratic Presidential nominee in 2028?
16%
Kalshi
Will Raphael Warnock be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Jamie Dimon be the Democratic Presidential nominee in 2028?
0%
Kalshi
Will Tim Walz be the Democratic Presidential nominee in 2028?
0%
Change ×
Will Roy Cooper win the 2028 Democratic presidential nomination?
0%
– 0.0pt
Vol $41 today · $31.8M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.