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 Republicans win the Michigan Senate race in 2026?
30%
– 0.5pt
Vol $37.6K today · $894.6K total
Possibly the same event, on the other platform
Kalshi
Will Republicans win the Senate race in Georgia?
33%
Kalshi
Will Republicans win the Senate race in Florida?
84%
Kalshi
Will Republicans win the Senate race in California?
9%
Kalshi
Will Republicans win the Senate race in North Dakota?
84%
Kalshi
Will the Republican party win the Senate in 2028?
47%
Kalshi
Will the Republican party win the House, the Republican party win the Senate, a…
12%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.