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 Republican party win the House, the Republican party win the Senate, and the Democratic party win the Presidency?
3%
– 0.0pt
Vol $0 today · $41.4K total
Possibly the same event, on the other platform
Polymarket
Will there be a Hormuz agreement and the Republicans win the Senate?
4%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
4%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
9%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
62%
Polymarket
Will there be a Hormuz agreement and the Republicans win the Senate?
5%
Polymarket
Will the Republicans win the Texas Senate race in 2026?
39%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.