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 Pete Buttigieg win the 2028 US Presidential Election?
3%
– 0.0pt
Vol $29 today · $8.5M total
Possibly the same event, on the other platform
Kalshi
Will Pete Buttigieg be first this list to declare for 2028 United States presid…
30%
Kalshi
Will Pete Buttigieg be the Democratic Presidential nominee in 2028?
5%
Kalshi
Who will win the 2028 United States vice presidential election?
11%
Kalshi
Will Jon Ossoff and Pete Buttigieg be the 2028 Democratic Presidential ticket?
0%
Kalshi
Will Andy Beshear be first this list to declare for 2028 United States presiden…
24%
Kalshi
Will Kamala Harris be first this list to declare for 2028 United States preside…
3%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.