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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Next White House Press Secretary announced by December 31, 2026?
77%
▼ 6.0pt
Vol $42.1K today · $110.8K total
Possibly the same event, on the other platform
Kalshi
Will the Federal Reserve hike rates by December 31, 2026?
82%
Kalshi
Will Kari Lake be the next White House Press Secretary before Jan 20, 2029?
2%
Kalshi
Will Tricia McLaughlin be the next White House Press Secretary before Jan 20, 2…
4%
Kalshi
Will Monica Crowley be the next White House Press Secretary before Jan 20, 2029?
1%
Kalshi
Will Steven Cheung be the next White House Press Secretary before Jan 20, 2029?
3%
Kalshi
Will Scott Jennings be the next White House Press Secretary before Jan 20, 2029?
14%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.