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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1. FSV Mainz 05 vs. SV Werder Bremen: 2nd Half O/U 0.5
100%
▲ +13.0pt
Vol $5 today · $5 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.