Polymarket vs. Kalshi
Compare markets
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 Donald Trump be the next White House Press Secretary?
8%
▼ 42.5pt
Vol $50 today · $50 total
Possibly the same event, on the other platform
Kalshi
Will Hakeem Jeffries be the next Speaker of the House?
94%
Kalshi
Will Ro Khanna be the next Speaker of the House?
3%
Kalshi
Will Joe Neguse be the next Speaker of the House?
2%
Kalshi
Will Katherine Clark be the next Speaker of the House?
2%
Kalshi
Will Steve Scalise be the next Speaker of the House?
0%
Kalshi
Will Ted Lieu be the next Speaker of the House?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.