Polymarket vs. Kalshi
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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.
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Will Jon Ossoff win the 2028 US Presidential Election?
9%
▼ 0.6pt
Vol $6.7K today · $6M total
Possibly the same event, on the other platform
Kalshi
Will Jon Ossoff be the Democratic Presidential nominee in 2028?
14%
Kalshi
Will Jon Stewart announce a run for President of the United States in 2028?
8%
Kalshi
Will Jon Ossoff win the 2028 South Carolina Democratic primary?
16%
Kalshi
Will Jon Ossoff and Pete Buttigieg be the 2028 Democratic Presidential ticket?
0%
Kalshi
Will Jon Stewart be the Democratic Presidential nominee in 2028?
0%
Kalshi
Will Jon Ossoff be the nominee for the Vice Presidency for the Democratic party?
4%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.