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 2 election?
96%
– 0.5pt
Vol $0 today · $0 total
Possibly the same event, on the other platform
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
37%
Polymarket
Will Rick Scott win the 2028 Republican presidential nomination?
0%
Polymarket
Will Tulsi Gabbard win the 2028 Republican presidential nomination?
0%
Polymarket
Will James Talarico win the 2028 US Presidential Election?
2%
Polymarket
Will Jon Ossoff win the 2028 US Presidential Election?
18%
Polymarket
Will Ron DeSantis win the 2028 Republican presidential nomination?
14%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.