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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.

Market A

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Kalshi

Will the S&P 500 Index be above $10,000 before Jun 30, 2028?

14% – 0.0pt

Vol $0 today · $201 total

Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.