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 Republican Party control the House after the 2026 Midterm elections?
9%
▼ 1.0pt
Vol $145.8K today · $7.9M total
Possibly the same event, on the other platform
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.