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 John N. Kennedy win the 2028 US Presidential Election?
0%
– 0.0pt
Vol $0 today · $394.9K total
Possibly the same event, on the other platform
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 John Fetterman be the Democratic Presidential nominee in 2028?
0%
Kalshi
Will Kanye West announce a run for President of the United States in 2028?
34%
Kalshi
Will Matthew McConaughey announce a run for President of the United States in 2…
4%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.