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 Democrats win the Mississippi Senate race in 2026?
14%
– 0.0pt
Vol $36.8K today · $163.8K total
Possibly the same event, on the other platform
Kalshi
Will Democratics win the Senate race in Georgia?
63%
Kalshi
Will Republicans win the Senate race in Arizona?
36%
Kalshi
Will Democratics win the Senate race in Kansas?
24%
Kalshi
Will Republicans win the Senate race in Alaska?
63%
Kalshi
Will Democratics win the Senate race in Alaska?
34%
Kalshi
Will Democratics win the Senate race in Wisconsin?
64%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.