Will the US confirm that aliens exist by September 30?
Part of: Will the US confirm that aliens exist by...?. Crowd probability estimates from prediction markets, not financial advice.
Probability history
Gridlines at 25, 50 and 75 percent. History covers the recorded price path of the YES outcome.
Other outcomes in this event
Resolution criteria
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 September 30, 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.
Source: Polymarket via the public gamma API, synced by Kresmion. Last updated 2026-07-15 00:23 UTC. Trade on the venue itself: this page is research context, not an order book. Percentages are YES prices and can move fast.