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 Democrats win the Maine Senate race in 2026?
63%
▲ +1.5pt
Vol $28.9K today · $1.5M total
Possibly the same event, on the other platform
Kalshi
Will the Democratic party win the Senate in 2028?
54%
Kalshi
Will Democratics win the Senate race in Georgia?
63%
Kalshi
Will Republicans win the Senate race in Arizona?
37%
Kalshi
Will Democratics win the Senate race in Kansas?
24%
Kalshi
Will Republicans win the Senate race in Alaska?
63%
Kalshi
Will Democratics win the Senate race in Alaska?
34%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.