TOTAL VOLUME:

$61.9b

24H VOL:

$249,705,498

24H TRANSACTIONS:

600,069,390

OPEN INTEREST:

$1,354,509,605

579,516

Markets across

14,317

events

MATCHED EVENTS:

4,116

PLATFORM COVERAGE:

4

Polymarket:

50%

VS.

Kalshi:

50%

BETA
Will the U.S. confirm that aliens exist?

Will the U.S. confirm that aliens exist? Odds & Prediction Markets

Dec 5, 2025, 1:00 AM EST - Jan 1, 2027, 10:00 AM EST
Total volume:
$25,593,362
Volume 24h:
$299,814
31%
Liquidity:
$0
0%
Open interest:
$11,101,218
0.98%
PredictionHero
Before 2027 14%
k
Before 2028 20%
k
Before Jan 20, 2029 27%
k
Feb 2026Feb 2026Feb 2026Mar 2026Mar 2026Mar 2026Mar 2026Apr 2026Apr 2026Apr 2026May 2026May 2026May 2026May 2026Jun 2026020406080100

Will the U.S. confirm that aliens exist in 2029?

Amount

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$500

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Outcome
Chance %
Price
Liquidity
Volume
24h
7d
Open Interest
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Trade

Intro

This market tracks whether a U.S. President, Cabinet member, Joint Chiefs of Staff member, or federal agency will make a definitive public statement confirming the existence of extraterrestrial life or technology. On Kalshi, the leading outcome—confirmation occurring in 2029—stands at 33.0%, while confirmation in 2028 is at 31.0%. Resolution depends on official statements from top-level U.S. government sources, as specified by Kalshi's resolution criteria. Watch for any formal announcements or congressional testimonies before January 1, 2027, which marks the resolution deadline.

Created at:Feb 16, 2026, 8:50 AM GMT
Updated at:Jun 10, 2026, 2:43 AM GMT
Event ID:KXALIENS-27

Frequently asked questions

The dashboard tracks real-time odds and trading activity for the Will the U.S. confirm that aliens exist? event on Kalshi. It displays the current implied probability that the U.S. will officially confirm alien existence before Jan 1, 2027. The dashboard updates live with the latest market price, 24-hour volume of $287,967, and historical price movements. Traders can monitor cumulative volume of $25,593,362 to gauge overall market interest and liquidity in this science and technology prediction market.

Prediction market odds on Kalshi reflect real-money trader expectations about U.S. alien confirmation. Unlike analyst forecasts, which rely on expert opinion and published research, prediction markets aggregate distributed knowledge from thousands of participants with financial incentives to forecast accurately. Comparing the current market probability to statements from astrophysicists, government officials, or think tanks can reveal whether traders are more optimistic or skeptical than traditional experts about official disclosure occurring before Jan 1, 2027.

On Kalshi, this event is priced as a binary contract reflecting the probability of U.S. confirmation of alien existence before Jan 1, 2027. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current market price implies a chance of the outcome resolving yes. Traders buy and sell shares based on their conviction, with the contract settling at $1 if the U.S. officially confirms aliens exist or $0 if it does not. Price discovery occurs continuously as new information and trader sentiment influence the market.

The market resolves on Jan 1, 2027. Resolution depends on whether the U.S. government has issued an official, public confirmation that extraterrestrial life exists by that deadline. The outcome is determined by credible government statements, legislative action, or formal announcements from authorized federal agencies. Traders should monitor official U.S. government channels, congressional hearings, and credible news sources for any announcements that would trigger resolution of this science and technology prediction market.

Key catalysts include congressional hearings on unidentified aerial phenomena, declassified government reports on extraterrestrial research, statements from NASA or the Pentagon, discovery of biosignatures on exoplanets, or detection of technosignatures by space agencies. Media coverage of credible scientific findings, international space missions, or leaked government documents could also shift trader sentiment. Political changes, shifts in scientific consensus, or formal policy announcements regarding alien disclosure would likely trigger significant price movement before the Jan 1, 2027 resolution date.

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PredictionHero © 2026 · v0.15.0PredictionHero provides aggregated market data and informational signals only. Nothing on this site constitutes financial, legal, or investment advice. Markets are volatile and speculative. Past performance does not guarantee future results. Always do your own research and consult qualified professionals before making decisions involving risk.