As of Oct 22, 2026, 8:49 PM ET, Polymarket priced this market at 4.2% (little changed over 24 hours). It had $44.6K traded in the past 24 hours, $523.3K of order-book liquidity and a bid-ask spread of 0.2 pts. probcast.co rates the support behind this price as moderate.
Thin market where small orders can move the price, with broad trading across many accounts.
Source: Polymarket price history
Is the move backed by real trading and depth?
The pricing has partial support: healthy trading volume and market depth, a tight spread.
Has the market settled at the new probability?
The probability has held near its current level over the past several hours.
Will the rules resolve without ambiguity?
The resolution rules are relatively specific, with a named source and a defined deadline.
Two different questions: how hard the price is to move, and whose trading set it.
How hard is it to move this price?
Order-book liquidity
$523.3K
Bid-ask spread
0.2 pts
24h volume
$44.6K
Total volume
$42.4M
It would take roughly $16.6K of buying to move the price up by ~5 pts.
Little money on the book — a modest order can move this price, so treat swings with care.
Whose opinion is this price?
Accounts
110
Trades
200
over 3 days
Largest order
$581.7
$7.7K traded across these 200 trades (last 3 days).
Many independent accounts traded — the price reflects a crowd, not one trader.
From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.
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".
This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.
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.
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Oct 22, 8:58 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.
Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: low · expected error ±11 pts.
A tight, deep, quote-driven book with little executed flow. The price is stable but reflects resting quotes more than active trading.
The latest price is a usable but caveated read — weigh it with the market state.
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
Secondary read: leaning toward Trading normally.
A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.