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.
Possibly the same event, on the other platform
Kalshi
Will Gavin Newsom be first this list to declare for 2028 United States presiden…
11%
Kalshi
Will Gavin Newsom be the Democratic Presidential nominee in 2028?
15%
Kalshi
Who will win the 2028 United States vice presidential election?
11%
Kalshi
Will Gavin Newsom and JD Vance be the 2028 Democratic and Republican presidenti…
13%
Kalshi
Will Pete Buttigieg be first this list to declare for 2028 United States presid…
32%
Kalshi
Will Kamala Harris be first this list to declare for 2028 United States preside…
3%
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Will Gavin Newsom win the 2028 US Presidential Election?
9%
– 0.1pt
Vol $32.1K today · $18.7M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.