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 Alexandria Ocasio-Cortez win the 2028 Democratic presidential nomination?
17%
– 0.1pt
Vol $3.9K today · $15.5M total
Possibly the same event, on the other platform
Kalshi
Will Alexandria Ocasio-Cortez be the Democratic Presidential nominee in 2028?
14%
Kalshi
Will Alexandria Ocasio-Cortez be the nominee for the Vice Presidency for the De…
9%
Kalshi
Will Alexandria Ocasio-Cortez and Marco Rubio be the 2028 Democratic and Republ…
8%
Kalshi
Will Alexandria Ocasio-Cortez and JD Vance be the 2028 Democratic and Republica…
14%
Kalshi
Will J.B. Pritzker be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Josh Shapiro be the Democratic Presidential nominee in 2028?
5%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.