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 the Republican Party win the 2028 Wisconsin Assembly District 4 election?
97%
– 0.0pt
Vol $0 today · $0 total
Possibly the same event, on the other platform
Polymarket
Will the Republicans win the 2028 US Presidential Election?
33%
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
39%
Polymarket
Will the Democrats win the 2028 US Presidential Election?
68%
Polymarket
Will JD Vance win the 2028 US Presidential Election?
20%
Polymarket
Will Doug Burgum win the 2028 Republican presidential nomination?
0%
Polymarket
Will Marco Rubio win the 2028 Republican presidential nomination?
19%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.