Will the U.S. confirm that aliens exist?
PM $78.53M · K 34.16M contracts
2
5
Will the U.S. confirm that aliens exist?
PM $78.53M · K 34.16M contracts
2
5
Current odds
Snapshot from
As of Nov 11, 2026, 6:00 PM UTC, the highest-priced outcome on Polymarket is December 31 at 1.8%, and on Kalshi it is Before Jan 20, 2029 at 16.5%.
Polymarket
- December 311.8%
Kalshi
- Before Jan 20, 202916.5%
- Before Jan 1, 202812.5%
- Before Jan 1, 20272%
- Before Dec 1, 20260.5%
Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.
AI Analysis
Trader mode: Market mechanics, assumptions and risks
PM $78.53M · K 34.16M contracts
Reported volume · provider units
5
Saved contracts
0
Same-question pairs
Source snapshot: Nov 11, 2026, 6:00 PM UTC
About This Event
Before 2027 If the President, any member of the Cabinet, any member of the Joint Chiefs of Staff, or any US federal agency definitively states that extraterrestrial life or technology exists before X Y Z then the market resolves to Yes. For purposes of this Contract, the Cabinet includes the heads of the 15 government agencies in the Cabinet as of Issuance, as well the Administrator of the EPA, the President's Chief of Staff, Director of National Intelligence, Director of OMB, Director of CIA, United States Trade Representative, Ambassador to the UN, Chair of the Council of Economic Advisers, Administrator of the SBA, and Director of OSTP. This market will close and expire early if the event occurs.
This analysis is awaiting a background update, so its prices may be older than the odds above.
Snapshot observed 2026-11-10T03:00:06.540Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
Kalshi's event asks whether the U.S. will confirm that aliens exist. It resolves to Yes if the President, any Cabinet member, any Joint Chiefs member, or any U.S. federal agency "definitively states that extraterrestrial life or technology exists" [1]. Kalshi defines the Cabinet by listing specific positions, and its excerpt says the market "will close and expire early if the event occurs" [1]. Kalshi supplies four contracts with different deadlines: before December 1, 2026; before 2027; before January 1, 2028; and before January 20, 2029 [1].
Polymarket's single contract resolves to Yes if the qualifying parties "definitively state[] that extraterrestrial life or technology exists by December 31, 2026, 11:59 PM ET" [2]. It names the primary source as official U.S. government information, with "a consensus of credible reporting" also used [2]. The excerpt does not define the Cabinet. The two platforms therefore differ in deadline, in how they define qualifying officials, and in their secondary resolution sources.
Reading the snapshot
The snapshot was observed at 03:00:06 UTC on November 10, 2026, and retrieved at 03:37:42 UTC the same day. These are prices at those times, not executable quotes or verified probabilities. The Kalshi Yes prices were 0.005 for the December 2026 contract, 0.02 for the before-2027 contract, 0.125 for the before-2028 contract, and 0.215 for the before-2029 contract [1]. Polymarket's before-2027 Yes price was 0.0165 [2].
The Kalshi before-2027 and Polymarket contracts are the closest match in wording, but their listed end times differ: Kalshi lists 2027-01-01T15:00:00Z, and Polymarket lists 2027-01-01T04:59:00Z [1][2]. Those differing close times and rules mean the two prices should not be treated as the same question. A gap between them would not, by itself, indicate an opportunity. Kalshi's prices rise with later deadlines, which describes the snapshot only. The sources do not explain why.
Both events are fully included. Kalshi's four markets and Polymarket's one market are all the saved markets for those events, but the sample does not establish that the providers list every possible outcome. Volume is not supplied, so no liquidity or participation can be inferred.
What remains uncertain
Kalshi's listed end time is "not supplied" [1]. Both markets show status "active" in the snapshot. The evidence contains no explanation for price changes, no trader counts, and no reporting on related developments. Prices may have changed after 03:00:06 UTC, so this snapshot should not be read as a live view.
References
- Kalshi: Will the U.S. confirm that aliens exist?. Provider data observed 2026-11-10T03:00:06.540Z.
- Polymarket: Will the US confirm that aliens exist by...?. Provider data observed 2026-11-10T03:00:06.540Z.
AI-generated analysis based on market data. Not financial advice.
Saved Nov 10, 2026 UTCOverview
This market asks whether the United States government will confirm that extraterrestrial life or technology exists. The contract is listed on two prediction market platforms, Kalshi and Polymarket, and the two versions use different wording and deadlines [1][2]. Kalshi's event asks whether the U.S. will confirm that aliens exist before a series of dates, and its rules state that a Yes resolution occurs if the President, any member of the Cabinet, any member of the Joint Chiefs of Staff, or any US federal agency "definitively states that extraterrestrial life or technology exists" before the stated deadline [1]. The Kalshi rules define the Cabinet broadly, including the heads of the 15 government agencies in the Cabinet as of issuance, along with several other named officials such as the Administrator of the EPA and the Director of National Intelligence [1]. Kalshi also states that the market will close and expire early if the event occurs [1]. Polymarket's version uses a single deadline of December 31, 2026, at 11:59 PM ET. Its rules say the market resolves Yes if the same categories of officials or agencies definitively state that extraterrestrial life or technology exists by that date, and resolves No otherwise [2]. Polymarket names official information from the U.S. government as the primary resolution source, with a consensus of credible reporting also used [2]. Its listed end time is 2027-01-01T04:59:00Z [2]. For the contract wording, the date in the rules is a deadline, not an announced event. Nothing in the supplied material indicates that any official has made such a statement. A contract's closing time is also distinct from its resolution, since a market may close at one time and be settled according to its rules afterward.
Historical Context
The supplied background on the Fermi paradox describes it as "the seeming inconsistency between the lack of evidence of extraterrestrial civilizations and the apparently high likelihood of their existence" [4]. This concept frames the broader question of why evidence of extraterrestrial life has not been found, but it does not describe any government action or statement on the matter. The supplied material contains no other historical account of official U.S. statements on extraterrestrial life, so this section is limited to that conceptual background.
Why It Matters
The contract measures a narrow, formal event: whether a qualifying U.S. official or federal agency makes a definitive statement that extraterrestrial life or technology exists. Ordinary speculation, media reports, or unofficial comments do not match the wording of the Kalshi rules, which require a definitive statement from a listed official or agency [1]. The Polymarket rules similarly require a definitive statement, while allowing consensus reporting as a secondary source when official information is not decisive [2]. Because the two platforms differ in their deadlines, officials covered, and resolution sources, their contracts should be read separately rather than treated as identical questions [1][2]. The Kalshi event contains several markets with different deadlines, ranging from December 1, 2026 to January 20, 2029, all sharing the same underlying question [1]. Each market's price is a snapshot from the observation time recorded for this page, and it reflects trading activity at that moment rather than a verified probability or an executable quote. Differences between the prices of contracts with different deadlines or rules do not, by themselves, indicate an opportunity, because the contracts measure different time windows and settle under different terms.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-11-10 at 03:00 UTC. It contains listings from Kalshi and Polymarket. Market descriptions and listed closing times define the contracts; they do not establish that the real-world outcome has occurred. This article does not include a separately verified news update. [1]
Frequently Asked Questions
Who counts as a qualifying source under the Kalshi contract?
The Kalshi rules list the President, any member of the Cabinet, any member of the Joint Chiefs of Staff, and any US federal agency [1]. The rules define the Cabinet to include the heads of 15 government agencies as of issuance, plus several other named officials [1].
Do the Kalshi and Polymarket contracts have the same deadline?
No. Kalshi lists several deadlines within its event, including before 2027, before 2028, before 2029, and before December 1, 2026 [1]. Polymarket uses a single deadline of December 31, 2026, at 11:59 PM ET [2].
What does a price on these markets represent?
The prices shown are snapshots of listed outcome prices at the time they were observed, and they are not executable quotes or verified probabilities. The Kalshi and Polymarket listings also state that the markets are active, and Kalshi notes that the market closes and expires early if the event occurs [1][2].
Does a statement from a government agency automatically settle the market?
Only a definitive statement that extraterrestrial life or technology exists, made by a qualifying official or agency, meets the Kalshi rule [1]. Polymarket uses the same type of statement, with official U.S. government information as the primary source and consensus credible reporting also used [2].
AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.
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Price gaps of 2 pp+
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Same-question pairs
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