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 oil be at least $85 on November 2 and the Republicans win the Senate?
27%
▼ 2.7pt
Vol $16.7K today · $215.7K total
Possibly the same event, on the other platform
Kalshi
Will the Republican party win the House, the Republican party win the Senate, a…
15%
Kalshi
Will Republicans win the Senate race in Arizona?
37%
Kalshi
Will Republicans win the Senate race in Alaska?
63%
Kalshi
Will Republicans win the Senate race in Kansas?
77%
Kalshi
Will Republicans win the Senate race in Iowa?
63%
Kalshi
Will Republicans win the Senate race in Louisiana?
87%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.