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 Susan Wild be the Democratic nominee for the Senate in Pennsylvania?
6%
– 0.0pt
Vol $0 today · $601 total
Possibly the same event, on the other platform
Polymarket
Will the Democratic Party control the Senate after the 2026 Midterm elections?
65%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
5%
Polymarket
Will the Democrats win the Michigan Senate race in 2026?
71%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
63%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.