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Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.









Will Anthropic announce a Millennium Prize solution by December 31, 2026?
Kalshi: Will Anthropic announce a Millennium Prize solution before Jan 1, 2027?
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Will Mailza Assis win the 2026 Acre gubernatorial election?
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Will Alan Rick win the 2026 Acre gubernatorial second round?
Kalshi: Will Alan Rick win the 2026 Acre gubernatorial election?
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Will Alan Rick win the 2026 Acre gubernatorial election?
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Will Alexander Zverev be Number 1 on the End of Year ATP Rankings
Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Alexander Zverev)
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Will Carlos Alcaraz be Number 1 on the End of Year ATP Rankings
Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Carlos Alcaraz)
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Will Jannik Sinner be Number 1 on the End of Year ATP Rankings
Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Jannik Sinner)
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