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 Fetterman be the nominee for the Vice Presidency for the Democratic party?
0%
– 0.0pt
Vol $0 today · $83.4K total
Possibly the same event, on the other platform
Polymarket
Will John Fetterman win the 2028 Democratic presidential nomination?
0%
Polymarket
Will J.B. Pritzker win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Cory Booker win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Roy Cooper win the 2028 Democratic presidential nomination?
0%
Polymarket
Will James Talarico win the 2028 Democratic presidential nomination?
3%
Polymarket
Will John McEntee win the 2028 Republican presidential nomination?
0%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.