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 Margo Martin be the next White House Press Secretary?
2%
– 0.0pt
Vol $611 today · $611 total
Possibly the same event, on the other platform
Kalshi
Will Margo Martin be the next White House Press Secretary before Jan 20, 2029?
3%
Kalshi
Will Laura Loomer be the next White House Press Secretary before Jan 20, 2029?
1%
Kalshi
Will Scott Jennings be the next White House Press Secretary before Jan 20, 2029?
15%
Kalshi
Will Kari Lake be the next White House Press Secretary before Jan 20, 2029?
2%
Kalshi
Will Anna Kelly be the next White House Press Secretary before Jan 20, 2029?
13%
Kalshi
Will Maria Bartiromo be the next White House Press Secretary before Jan 20, 202…
3%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.