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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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Kalshi

Will any AI lab solve a Millennium Prize Problem before Dec 1, 2026?

19% ▼ 1.0pt

Vol $30 today · $2.2K total

Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.