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 Richard Grayson win the Alaska Senate race in 2026?
0%
– 0.0pt
Vol $0 today · $24.9K total
Possibly the same event, on the other platform
Kalshi
Will Republicans win the Senate race in Kansas?
60%
Kalshi
Will Democratics win the Senate race in Iowa?
33%
Kalshi
Will Democratics win the Senate race in Ohio?
39%
Kalshi
Will Republicans win the Senate race in Ohio?
54%
Kalshi
Will Democratics win the Senate race in Kansas?
34%
Kalshi
Will Republicans win the Senate race in Idaho?
89%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.