PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probabilityDecember 31 8%Leader of 6 outcomes
Market quality
100 / 100
High quality24h Volume
$73.2K
Liquidity
$1.1M
High liquidityBid / Ask
3.5% / 3.6%
Spread
2.9%
Tight spread7d Change
-0.4%
Market data
Updated 3 minutes ago
Nov 25, 25, 6:05 PMDec 31, 26, 12:00 AM
Trends
0%
0%
0%
0%
Paper funds only — no real moneyNot financial advice
Selected outcome
December 318%
Large trades
$6.2k93.0%Will the US confirm that aliens exist before 2027? — NoZbinik18h ago
$1.4k93.0%Will the US confirm that aliens exist before 2027? — NoGoopster9d ago
$1.0k96.2%Will the US confirm that aliens exist by September 30? — No0xc97b…47e59d ago
$3.7k96.0%Nothoodr12d ago
Volume trend
$73.2kJul 212d of dataJul 13
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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.