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 Democrats win the Senate?
58%
▼ 1.0pt
Vol $13K today · $175.6K total
Possibly the same event, on the other platform
Kalshi
Will the Democratic party win the Senate in 2028?
54%
Kalshi
Will the Democratic party win the House, the Democratic party win the Senate, a…
47%
Kalshi
Will Democrats win the Senate race in Pennsylvania?
70%
Kalshi
Will Democratic win the Presidency in 2028?
59%
Kalshi
Will the Republican party win the Senate in 2028?
48%
Kalshi
Will the Democratic party win the House in 2028?
76%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.