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 Democrats win the Arizona governor race in 2026?
92%
▲ +2.5pt
Vol $37.4K today · $192.3K total
Possibly the same event, on the other platform
Kalshi
Will Republicans win the Senate race in Arizona?
36%
Kalshi
Will Democratic win the Presidency in 2028?
60%
Kalshi
Will the Democratic party win the House in 2028?
72%
Kalshi
Will the Democratic party win the governorship in New Hampshire
8%
Kalshi
Will Democratics win the Senate race in Georgia?
63%
Kalshi
Will Democratics win the Senate race in Kansas?
24%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.