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 Tim Scott win the 2028 Republican presidential nomination?
0%
Polymarket
Will Mitch Landrieu win the 2028 Democratic presidential nomination?
0%
Polymarket
Will LeBron James win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Stephen A. Smith win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Jon Ossoff win the 2028 Democratic presidential nomination?
16%
Polymarket
Will Hakeem Jeffries win the 2028 Democratic presidential nomination?
0%
Change ×
Will Tim Walz be the Democratic Presidential nominee in 2028?
0%
– 0.1pt
Vol $4.9K today · $3.5M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.