Will the US government confirm that extraterrestrial life exists before 2027?
chance the market gives this event — not your chance of being right
- Yes — The event happens
- 5%
- No — The event does not happen
- 95%
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In short
The market treats this as very close to impossible, and it has done so consistently since prices were first recorded. The reason is the settlement bar: it requires the President, a Cabinet member, a member of the Joint Chiefs or a federal agency to state definitively that extraterrestrial life or technology exists, and every formal US government review to date has said the opposite — that no verifiable evidence of extraterrestrial origin has been found. Only an explicit, on-the-record confirmation from that narrow list of officials before 1 January 2027 would move it; more hearings, more whistleblower testimony and more unexplained sightings would not.
How the contract works
Probability
How the price has moved
Context
Analysis
What moves the probability
The settlement bar, not the news cycle
The rules exclude exactly the things most likely to happen: congressional hearings, whistleblower testimony, and UAP reports that describe objects without attributing them to extraterrestrial origin. Only a definitive statement from the President, a Cabinet member, the Joint Chiefs or a federal agency counts. This single constraint is the dominant reason the probability sits in the low single digits, and it will not loosen before settlement.
The official record points the other way
AARO's 2024 historical review found no verifiable evidence of extraterrestrial technology in US possession, and NASA's 2023 independent panel found no evidence of extraterrestrial origin for UAP. A Yes resolution requires an official reversal of published government findings, not merely new information. Each fresh report that repeats the existing conclusion nudges the probability down.
Five months and no scheduled trigger
The deadline is 1 January 2027. Annual UAP reporting to Congress and any further oversight hearings are the only predictable events in that window, and neither produces the kind of statement the rules require. A short fuse with no scheduled catalyst caps how high the price can plausibly go.
Wording differences between venues
Kalshi listings reference the Executive Branch of the United States government; Predict.fun resolves on its own determination; the various listings carry different deadlines. Those differences explain most of the six-point spread between the highest and lowest venue. They shift individual prices by a few points, not the overall picture.
The irreducible tail
Because the US government holds the evidence and controls the timing of any disclosure, outsiders cannot verify that nothing is coming. That asymmetry keeps a residual bid alive and is the main reason the price is not zero. It is worth a few points of probability, not more.
The case for
- A serving Cabinet officer, the President, a Joint Chiefs member or a federal agency would have to state explicitly, before 1 January 2027, that extraterrestrial life or extraterrestrial technology exists — hedged or suggestive language does not qualify.
- That statement would have to contradict AARO's published 2024 historical review and NASA's 2023 panel findings, which means it would most plausibly arrive as a deliberate policy decision to disclose rather than as a slip in testimony.
- The US government holds the underlying evidence and controls the timing of any announcement, so no outside observer can rule out a decision taken on a schedule nobody has seen.
The case against
- Every formal US review with a public output — AARO's historical record report, NASA's independent study panel, the annual UAP assessments — has concluded there is no verifiable evidence of extraterrestrial origin, and an agency would have to reverse that record on the record.
- The settlement rules explicitly exclude the events most likely to occur in the remaining months: hearings, whistleblower allegations, and UAP sightings reported without an extraterrestrial attribution.
- The declassification push has already been tested and narrowed: the UAP Disclosure Act was substantially cut back before reaching the defence authorisation bill, showing the political ceiling on forced disclosure.
- With five months left and no scheduled occasion for such a statement, the outcome depends entirely on an unscheduled event.
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Venues (4)
- PolymarketYes7%0.07
- Volume (24h)
- US$79.7k
- Fee
- 4%
- Binance WalletRecommendedYes5%0.05
- Volume (24h)
- —
- Fee
- 2%
- Predict.funYes5%0.05
- Volume (24h)
- US$11.4k
- Fee
- 2%
- KalshiYes7%0.07
- Volume (24h)
- US$18.7k
- Fee
- 0.47%
Probability
- Before 20277%
- Will the US confirm that aliens exist before 2027?6%
- Before September2%
- Will the US confirm that aliens exist by September 30?1%
- Before August1%
Resolution rules
The outcome is determined by official statements from the US government — the White House, a Cabinet member, a member of the Joint Chiefs of Staff, or any federal agency — corroborated by a consensus of credible reporting. The statement must be definitive: it must assert that extraterrestrial life or extraterrestrial technology exists. Ambiguous statements, congressional testimony by people who are not serving officials, whistleblower claims, and reports of unidentified anomalous phenomena without an explicit extraterrestrial attribution do not qualify. The deadline is 1 January 2027. Venues do not all use identical sources: Kalshi's listings specify settlement by reference to the Executive Branch of the United States government, while Predict.fun settles on its own determination, and shorter-dated versions of the question apply the same standard at earlier deadlines. Those wording differences are part of why prices differ slightly between listings.
Calculation methodology →Local context
What to watch
Common questions
- What exactly settles this market, and when?
- It settles on 1 January 2027. It resolves Yes only if, before that date, the President of the United States, any Cabinet member, any member of the Joint Chiefs of Staff, or any US federal agency definitively states that extraterrestrial life or extraterrestrial technology exists, corroborated by a consensus of credible reporting. Otherwise it resolves No.
- Would a congressional hearing or a whistleblower count?
- No. Testimony by people who are not serving officials — including former intelligence officers — is explicitly excluded, as are whistleblower claims. A hearing could produce a qualifying statement only if a serving official from the listed group made an explicit confirmation.
- Do reports of unidentified anomalous phenomena count?
- Not on their own. AARO and other agencies routinely publish cases they cannot explain, and the rules exclude UAP reports that lack an explicit confirmation of extraterrestrial origin. Ambiguous or suggestive wording does not qualify either.
- What does a price in the low single digits actually mean?
- It means buyers and sellers collectively treat the outcome as happening a small number of times in a hundred. A contract settles at $1 if the event happens and at nothing if it does not, so a low price reflects a low collective estimate — not a guarantee. Prices this low also tend to be sticky, because the smallest tradeable increment is a large share of the price.
- Why do the venues show different numbers?
- The gap between the highest and lowest venue is just over six percentage points, which at these levels comes mostly from mechanics rather than disagreement. The listings have different deadlines, and their resolution language differs — Kalshi listings reference the Executive Branch of the United States government, while Predict.fun resolves on its own determination. Shorter-dated versions of the question also price lower simply because they allow less time.
- What has the US government actually concluded so far?
- NASA's independent study panel reported in 2023 that it found no evidence UAP are extraterrestrial in origin. AARO's historical review, published in 2024, concluded it found no verifiable evidence that any US programme has possessed or reverse-engineered extraterrestrial technology. Both are the opposite of what this market requires.