Will the US confirm that aliens exist before 2027? December 31 7.5%
September 30 3.7%
Polymarket Prediction Markets
Browse active prediction markets from Polymarket, track current probabilities, and compare outcomes across the platform.
Total Active Markets 59
Total Volume $8.19B
Open Interest $238.91M
Total Liquidity $289.96M
Will the US confirm that aliens exist before 2027? 
GPT-6 release date December 31, 2026 91.5%
September 30, 2026 73%
August 31, 2026 41.5%
+4 more outcomes
Next UK Prime Minister in 2026? Andy Burnham 99.5%
Nigel Farage 0.3%
Angela Rayner 0.2%
+19 more outcomes
Democratic Presidential Nominee 2028 Gavin Newsom 19%
Alexandria Ocasio-Cortez 14.5%
Jon Ossoff 10.5%
+42 more outcomes
Kharg Island no longer under Iranian control by…? August 31 2.7%
July 31 1.4%
Venezuela leader end of 2026? Nicolás Maduro 77.9%
Delcy Rodríguez 13.5%
María Corina Machado 3.6%
+13 more outcomes
Satoshi’s identity proven in 2026? December 31 4.3%
July 31 0.3%
Iran agrees to surrender enriched uranium stockpile by…? December 31 13.5%
October 31 8%
August 31 3.5%
+1 more outcome
Which party wins 2028 US Presidential Election? Democratic 58.5%
Republican 40.5%
Brazil Presidential Election Luiz Inácio Lula da Silva 60.5%
Flávio Bolsonaro 23.2%
Renan Santos 11.3%
+14 more outcomes
2026 Women’s Wimbledon Winner Linda Nosková 100%
Karolína Muchová 0.1%
World Cup: Nation To Reach Semifinals Argentina 75.5%
England 64.5%
Norway 35.5%
+1 more outcome