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.
Possibly the same event, on the other platform
Kalshi
Will the Federal Reserve hike rates by December 31, 2026?
79%
Kalshi
Will Kari Lake be the next White House Press Secretary before Jan 20, 2029?
3%
Kalshi
Will Maria Bartiromo be the next White House Press Secretary before Jan 20, 202…
3%
Kalshi
Will Katie Miller be the next White House Press Secretary before Jan 20, 2029?
2%
Kalshi
Will Danielle Alvarez be the next White House Press Secretary before Jan 20, 20…
3%
Kalshi
Will Anna Kelly be the next White House Press Secretary before Jan 20, 2029?
18%
Change ×
Next White House Press Secretary announced by December 31, 2026?
59%
▼ 3.0pt
Vol $57K today · $228K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.