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 JD Vance win the 2028 US Presidential Election?
21%
– 0.0pt
Vol $4.6K today · $17.2M total
Possibly the same event, on the other platform
Kalshi
Will JD Vance and Marco Rubio be the 2028 Republican Presidential ticket?
31%
Kalshi
Will JD Vance and Donald Trump Jr. be the 2028 Republican Presidential ticket?
4%
Kalshi
Will Gavin Newsom and JD Vance be the 2028 Democratic and Republican presidenti…
12%
Kalshi
Will Alexandria Ocasio-Cortez and JD Vance be the 2028 Democratic and Republica…
14%
Kalshi
Will Andrew Yang announce a run for President of the United States in 2028?
9%
Kalshi
Will Larry Hogan announce a run for President of the United States in 2028?
7%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.