Polymarket vs. Kalshi
Compare markets
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.
Change ×
Will the Democratic Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 12% and 14%?
74%
▲ +3.8pt
Vol $20.6K today · $47.6K total
Possibly the same event, on the other platform
Kalshi
Will the Democratic Party win the 2028 Vermont House Chittenden-12 election?
94%
Kalshi
Will the Democratic Party win the 2028 Washington House District 12, Position 1…
39%
Kalshi
Will the Democratic Party win the 2028 Washington House District 12, Position 2…
39%
Kalshi
Will the Democratic Party win the 2028 Washington House District 14, Position 1…
73%
Kalshi
Will the Democratic Party win the 2028 Washington House District 14, Position 2…
73%
Kalshi
Will the Democratic Party win the 2028 West Virginia House of Delegates Distric…
4%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.