Prediction HFT
LIVE Β· TRADING OPENCULTUREEVENT IN 219D 8H
Will the US confirm that aliens exist by...?

Will the US confirm that aliens exist by...?

MARKETS6
CLOSESDec 31, 2026 Β· 12:00 AM UTC
EVENT VOLUME
$240k
MARKETS
6
LIQUIDITY
$1.5M

Markets in this event

6 markets Β· sorted by volume

Event activity

Across all 6 markets
24H VOLUME
$240k
Past 24 hours
TOTAL VOLUME
$43.9M
Since creation
LIQUIDITY
$1.5M
Available to trade

About this event

Context for traders

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.

How trading works

Polymarket uses a central limit order book (CLOB) model β€” you can buy or sell shares of any outcome at the current market price, or place limit orders. Prices represent implied probability: a $0.65 contract means the market prices a 65% chance of that outcome.

FAQ

Resolution & format
How are markets in this event resolved?+
Each market resolves based on the official outcome as verified by the UMA Optimistic Oracle.
When do these markets close?+
Trading closes at Dec 31, 2026 Β· 12:00 AM UTC. After close, the UMA oracle proposes a resolution and a 2-hour dispute window opens before final settlement.
How many markets are in this event?+
This event contains 6 markets. Each market settles independently β€” you can trade any or all of them.
What happens if the resolution source is unavailable?+
If the primary resolution source is unavailable, the market may be delayed or resolved by UMA oracle vote using credible alternative sources. Polymarket's optimistic oracle has final authority on disputed resolutions.
How do I trade on Polymarket?+
You need a Polymarket account (sign up with email or crypto wallet). Connect a Polygon-compatible wallet, fund it with USDC, and you can buy or sell shares of any outcome. All settlements are in USDC.