TOTAL VOLUME:

$97.8b

24H VOL:

$229,486,336

24H TRANSACTIONS:

962,450,368

OPEN INTEREST:

$2,227,107,643

841,517

Markets across

15,884

events

MATCHED EVENTS:

1,059

PLATFORM COVERAGE:

5

Polymarket:

45%

VS.

Kalshi:

55%

BETA
Will the US confirm that aliens exist before 2027?

Will the US confirm that aliens exist before 2027?

Feb 19, 2026, 11:44 PM EST - Dec 30, 2026, 7:00 PM EST
Total volume:
$3,506,579
Volume 24h:
$8,275
75%
Liquidity:
$134,070
16%
Open interest:
N/AN/A

7% - 9%

chance

PredictionHero
Will the US confirm that aliens exist before 2027?
opinion
Will the US confirm that aliens exist before 2027?
predict
Apr 2026May 2026May 2026May 2026May 2026Jun 2026Jun 2026Jun 2026Jun 2026Jun 2026Jun 2026Jul 2026Jul 2026Jul 2026Jul 202602040
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Intro

This market tracks whether the United States government will issue an official public confirmation that extraterrestrial life or technology exists. Aggregating data from Predict and Opinion, the consensus probability stands at 9.0% for a Yes resolution. Official statements from the President, Cabinet members, Joint Chiefs of Staff, or federal agencies will serve as the primary resolution source, with secondary validation through credible reporting. Watch for any major announcements or disclosures through December 31, 2026, the deadline for resolution.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

Both platforms employ identical resolution criteria, authorized speakers, confirmation threshold (definitive statement), deadline (December 31, 2026, 11:59 PM ET), and source hierarchy (official government first, credible reporting consensus second).Primary resolution logic: Official statements from the President of the United States, any member of the Cabinet, any member of the Joint Chiefs of Staff, or any US federal agency; secondary validation via consensus of credible reporting.

Core resolution logic:

  • Resolution to Yes requires a definitive public statement that extraterrestrial life or technology exists
  • Statement must originate from President, Cabinet member, Joint Chiefs of Staff member, or US federal agency
  • Statement must occur on or before December 31, 2026, 11:59 PM ET
  • Primary evidence is official US government information; credible news consensus provides secondary confirmation
  • All other scenarios, including ambiguous statements, unconfirmed reports, or statements after the deadline, resolve to No

Edge cases & clarifications:

  • Ambiguous or qualified statements: Statements that hedge, use conditional language (e.g., 'may exist', 'cannot rule out'), or lack definitiveness do not trigger Yes resolution; only unambiguous confirmation counts.
  • Leaked or unofficial disclosures: Statements from non-authorized sources, whistleblowers, or leaked documents do not qualify; only official public statements from authorized government officials or agencies count.
  • Technology vs. life distinction: Confirmation of either extraterrestrial life OR extraterrestrial technology is sufficient for Yes resolution; both are explicitly included in the resolution criteria.
  • Retroactive confirmation: If a government official confirms that a prior event (before 2027) constituted proof of aliens, but the confirmation statement itself occurs after December 31, 2026, 11:59 PM ET, the market resolves to No based on statement timing.
  • Credible reporting consensus: If official government sources are unclear or disputed, a strong consensus among major credible news outlets reporting on the same official statement can serve as tiebreaker for Yes resolution.
Timing: Resolution occurs on the earlier of: (1) a definitive qualifying statement from an authorized US government source before December 31, 2026, 11:59 PM ET (Yes), or (2) December 31, 2026, 11:59 PM ET with no qualifying statement (No).Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.
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Predict

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.

Opinion

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.

Frequently asked questions

The US alien confirmation market aggregates trader positions across Predict and Opinion, tracking whether the United States will officially confirm the existence of extraterrestrial life before 2027. This cross-platform view captures collective market sentiment on one of the most speculative questions in science and technology prediction markets. Combined liquidity across both venues totals $3,506,514, with recent 24-hour activity at $8,257. By monitoring these platforms together, participants gain insight into how different trader bases and market mechanics price the same outcome.

Prediction markets like those tracking this event reflect real-money commitments from traders, making them distinct from traditional analyst surveys or expert opinion polls. Market prices aggregate dispersed information and incentivize accuracy through financial stakes, often revealing probabilities that differ from published forecasts. Analysts may rely on historical precedent or institutional caution, while traders incorporate breaking news, leaked reports, and evolving government transparency initiatives. This market's pricing reflects active debate over whether credible disclosure is imminent or remains decades away.

Predict and Opinion serve different trader demographics and operate under distinct rule sets, leading to price divergence on speculative events. Predict and Opinion can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. One platform may attract retail traders with higher risk tolerance, while the other draws institutional participants favoring conservative positioning. Liquidity depth, fee structures, and user interface design also influence how quickly new information is priced in. On this particular question, differences in how each platform interprets "confirmation" or weights recent government statements can create meaningful spreads between the two venues.

This market resolves around Dec 31, 2026, at which point the outcome is determined by whether the US government has made an official public confirmation of extraterrestrial life. Resolution hinges on verifiable statements from credible government sources—such as formal announcements, congressional testimony, or authenticated policy documents—rather than speculation or unconfirmed reports. The bar for confirmation is deliberately high, requiring explicit acknowledgment rather than indirect evidence or leaked materials. Traders should monitor official channels and major news outlets for any announcements that would trigger resolution.

Key catalysts include congressional hearings on unidentified aerial phenomena, declassified government reports, statements from military or intelligence officials, and international space agency announcements. Scientific discoveries or credible photographic evidence could shift sentiment sharply. Conversely, regulatory clarifications on what constitutes "official confirmation" may narrow or broaden trader expectations. Media coverage of UFO sightings, whistleblower testimonies, and shifts in government transparency policy all influence pricing. Traders should watch for legislative action, executive orders, or institutional policy changes that signal movement toward or away from formal disclosure.

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