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.
Possibly the same event, on the other platform
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Russia x Ukraine ceasefire agreement by May 31, 2027?
52%
– 0.0pt
Vol $7.1K today · $123.8K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.