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 San Antonio, TX face tornado risk on October 20?
1%
– 0.0pt
Vol $800 today · $800 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.