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Next Google Gemini Pro Model released by...? December 31 36% ▼−32Brazil Presidential election winner? Luiz Inácio Lula da Silva 17% ▼−20"Resident Evil" 3rd Weekend Box Office 12-13m 96% ▲+20Brazil Presidential Election Luiz Inácio Lula da Silva 17% ▼−19New Orleans Jazz & Heritage Festival 2027: Headlin… Jon Batiste 60% ▼−17When will OpenAI release Astra 6.1? Before Oct 30, 2026 18% ▲+16SpaceX Starship 15th launch? Before Nov 13, 2026 84% ▲+16"Resident Evil" total domestic gross by October 31? <150m 36% ▼−14Next leader out of power before 2027? Sánchez - Spanish PM 23% ▲+14Gemini 4.0 released by...? October 15 73% ▲+14How high will 10-year Treasury yield go before 2027? 5.4% 51% ▼−13Will Russia capture all of Kostyantynivka by...? June 30, 2027 64% ▼−13US-Iran Hormuz Agreement by...? December 31 31% ▼−10GPT Astra 6.1+ released by...? October 31 19% ▼−10
PolymarketCloses January 1, 2027

Will the US confirm that aliens exist by...?

December 31 leads at 3.1% (a long shot, about one in 32) on Polymarket, as of Oct 5, 04:33 UTC.

The odds

as of Oct 5, 04:33 UTC
  • December 31 3.1% —
  • October 31 1.4% —

Each outcome here is its own yes/no question, so the chances don't add up to 100%.

Traded today$133K
Traded in all$71.6M
Favourite, 7 days−0.5 pts

December 31, the last 7 days

Polymarket price
25%50%75%Sep 27Oct 53%

Sep 28: 3.6% · Sep 29: 3.3% · Sep 30: 3.4% · Oct 1: 3.3% · Oct 2: 2.8% · Oct 3: 3% · Oct 4: 3.2% · Oct 5: 3.2%

How it resolves

Polymarket's rule, word for word
This market will resolve to "Yes" if the President of the United States, any member of the Cabinet of the United States, any member of the Joint Chiefs of Staff, or any US federal agency definitively states that extraterrestrial life or technology exists by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from the government of the United States, however a consensus of credible reporting will also be used.
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