TOTAL VOLUME:

$148.4b

24H VOL:

$209,734,046

24H TRANSACTIONS:

2,817,056,367

OPEN INTEREST:

$1,865,708,956

470,731

Markets across

35,423

events

MATCHED EVENTS:

2,810

PLATFORM COVERAGE:

5

Polymarket:

38%

VS.

Kalshi:

62%

BETA
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Science and Technology
Will the U.S. confirm that aliens exist?
kalshi

Will the U.S. confirm that aliens exist?

Dec 5, 2025, 1:00 AM EST - Jan 1, 2027, 10:00 AM EST
Total volume:
$41,231,554
Volume 24h:
$46,845
81%
Liquidity:
N/AN/A
Open interest:
$17,806,332
0.07%

Before Jan 20, 2029

 - Kalshi

Before Jan 20, 2029 - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Jan 1, 2027

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

23%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 23¢ buys you 435 shares | Odds: 23% Total Payout: $435 | Net Profit: $335 Multiplier: 4.35x | ROI: 335% APY not meaningful 68 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Before Jan 20, 2029

Trade
23%
Yes 23¢No 78¢
1¢
N/A
$827,127
0.35%
5%
$348,995
2mo 1w 1d
active
kalshi

Before 2028

14%
Yes 14¢No 87¢
1¢
N/A
$1,043,779
0.54%
7%
$573,249
2mo 1w 1d
active
kalshi

Before 2027

5%
Yes 4.6¢No 95.5¢
0.1¢
N/A
$29,527,493
0.06%
0.84%
$9,396,062
2mo 1w 1d
active
kalshi

Before December

2%
1%
Yes 3¢No 98¢
1¢
N/A
$513,846
4%
22%
$331,870
2mo 1w 1d
active
kalshi

Before November

1%
Yes 1¢No 100¢
1¢
N/A
$2,081,562
0.01%
9%
$1,551,808
2mo 1w 1d
active
kalshi

Before July 2026

0%
Yes 0¢No 100¢
—
N/A
$3,153,287
N/A
N/A
$2,571,080
2mo 1w 1d
No
kalshi

Before September 2026

0%
Yes 0¢No 100¢
—
N/A
$2,679,608
N/A
N/A
$1,706,431
2mo 1w 1d
No
kalshi

Before August

0%
Yes 0¢No 100¢
—
N/A
$915,942
N/A
N/A
$882,735
2mo 1w 1d
No
kalshi

Before October

0%
Yes 0¢No 100¢
—
N/A
$488,910
N/A
N/A
$444,102
2mo 1w 1d
No
Total markets: 9

Description

U.S. government officials may make public statements confirming the existence of extraterrestrial life or technology before the end of 2026.

Kalshi

These markets resolve Yes if the President, any Cabinet member, any member of the Joint Chiefs of Staff, or any U.S. federal agency makes a definitive statement confirming the existence of extraterrestrial life or technology before the specified deadline. Cabinet membership includes the heads of the 15 traditional Cabinet agencies plus the EPA Administrator, President's Chief of Staff, Director of National Intelligence, OMB Director, CIA Director, U.S. Trade Representative, UN Ambassador, Chair of the Council of Economic Advisers, SBA Administrator, and OSTP Director. The markets span progressively longer timeframes from July 2026 through January 20, 2029, allowing for resolution at different points if such a disclosure occurs.

Frequently asked questions

On Kalshi, the dashboard for the alien confirmation market tracks the current odds of the U.S. government confirming the existence of extraterrestrial life. You can view the price of 'Yes' and 'No' outcomes, along with a history of price movements over time. The dashboard also displays the 24-hour trading volume, currently at $44,047, and the total volume traded to date, which is $37,162,326. This provides a snapshot of market sentiment and activity surrounding this fascinating question.

Currently, public opinion polls and expert analyses on the likelihood of alien confirmation are highly varied. Some analysts suggest a low probability, while others believe it's increasingly plausible given recent government reports and increased public interest. This market offers a different perspective, reflecting the collective judgment of traders. As of today, the implied probability of confirmation, as expressed by this market, differs from many traditional forecasts, providing a unique data point on this topic. It’s important to remember that prediction markets represent a real-money view, potentially capturing information not reflected in polls.

This market resolves around Jan 1, 2027, with the outcome determined by whether the U.S. government makes an official confirmation regarding the existence of extraterrestrial life. This confirmation must be a public statement from a credible U.S. government source, such as a press conference, official report, or congressional testimony. The outcome will be verified against credible public reporting and widely accepted evidence of such a confirmation. The market will settle to 100 if confirmation occurs, and 0 if it does not.

Several events could significantly impact this market. A credible leak of government information suggesting evidence of extraterrestrial life would likely cause a substantial price increase. Conversely, a definitive statement from a high-ranking official dismissing the possibility of alien life could drive the price down. New discoveries from space exploration missions, such as the James Webb Space Telescope, or the release of previously classified government reports on Unidentified Aerial Phenomena (UAPs) could also move the market. Any major developments in the scientific search for extraterrestrial intelligence would be closely watched by traders.