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 the 12-month percentage change in CPI-U in December 2028 be above 3.5%?
27%
– 0.5pt
Vol $0 today · $904 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.