Will the US confirm that aliens exist by April 30?
🗂 Part of event: Will the US confirm that aliens exist by...? →Data from Polymarket’s public API, for informational purposes only. PredictPal is not affiliated with any platform and does not facilitate trading.
Discussion
Loading…
How it resolves
Settled on-chain by UMA's optimistic oracle: once an outcome is clear, anyone can propose the result, which then enters a challenge window where it can be disputed with evidence before it finalizes.
⚖️ A proposed outcome can be disputed during a challenge window before it's final.
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 April 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.
ⓘ A market settles under its own written rules, which can lag what looks decided in the news — so the price may not move to 100% the moment an outcome seems obvious.
View the official rules on Polymarket ↗Related markets
Democratic Presidential Nominee 2028
The field is virtually nonexistent: only two candidates register at 1% each, and no one has broken 5%, making this the most open Democratic nomination race in modern history. The single biggest recent shift is the DNC's decision to put South Carolina first in the 2028 primary calendar (Axios, Jul 25), which could reshape candidate strategies and favor a different type of contender.
2 outcomes
Next General Election - Most Seats
The field is moderately concentrated with Labour leading at 36%, but Reform UK and Conservative are close; the biggest recent shift is Reform UK overtaking the Conservatives for second place, as seen in the stated odds, though no headline directly explains this.
9 outcomes
Will Trump announce he is running for President in the 2028 election?
Yes ≈ 65% chance
Republican Presidential Nominee 2028
The Republican nomination field is exceptionally fragmented, with no candidate above 5% and the top three sum to just 1% — a sign that the race is truly wide open and still in its earliest jockeying phase, despite a recent poll placing Senator JD Vance near the top of a generic primary ballot (USA Today, Jul 23).
2 outcomes
Democratic Presidential Nominee 2028
Despite Newsom's commanding lead, the field is far from settled: the 20% 'Other' share and AOC/Ossoff's recent gains per Action Network (Jul 8) suggest a pool of anti-Newsom sentiment waiting for a viable alternative.
8 outcomes