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 Katie Zacharia be out as White House Press Secretary before Jul 1, 2027?
100%
– 0.0pt
Vol $10.2K today · $35.2K total
Possibly the same event, on the other platform
Polymarket
Putin out as President of Russia by June 30, 2027?
10%
Polymarket
Next White House Press Secretary announced by November 30, 2026?
53%
Polymarket
Next White House Press Secretary announced by October 31, 2026?
11%
Polymarket
Next White House Press Secretary announced by December 31, 2026?
76%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.