Market price history. From 20¢ on Dec 19, 2024 to 6¢ on Aug 17, 2026. Lowest 4¢ on Dec 24, 2025; highest 25¢ on Dec 20, 2024.
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If there is any year between 2024 and 2029 in which there are zero reported wild cases of poliovirus 1, then the market resolves to Yes.