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 Russia and Ukraine hold any diplomatic meeting by October 31, 2026?
100%
▲ +36.5pt
Vol $1.4M today · $1.7M total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.