U.S. confirm that aliens exist before 2027 priced at 3.6% on Polymarket, down 1.2 points, on $42.8M traded
PredictionBubbles' politics board lists the aliens-confirmation contract among its most-traded politics markets, in a political category distinct from the lead. It has…
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Polymarket traders priced the prospect of U.S. confirmation that aliens exist before 2027 at 3.6%, down 1.2 percentage points, with $42.8M traded, as of Oct 25, 2026, at 5:39 PM ET.
According to PredictionBubbles, the contract appears among the most-traded markets on its politics board. The low implied probability and substantial cumulative turnover describe different aspects of the market: trading activity is sizable, but the price assigns little likelihood to confirmation before the deadline.
Turnover versus probability
PredictionBubbles ranks its most-traded contracts by total volume, separately from its ranking of absolute probability changes over the previous 24 hours. Its probability-change column measures moves in percentage points, making the reported 1.2-point decline a change in implied odds rather than a percentage decline.
The aliens-confirmation contract is not the board’s volume leader. According to PredictionBubbles, the leading politics contract at its latest refresh concerns whether the U.S. will invade Iran before 2027, with $75.4M traded on Polymarket.
A snapshot, not a finding
PredictionBubbles tracks 941 open politics markets across Kalshi and Polymarket, comprising 219 from Kalshi and 722 from Polymarket. Its embedded display shows the 300 largest by volume, and its data updates every 15 minutes, while trading on the underlying venues continues.
The supplied material does not include the aliens contract’s detailed resolution rules or identify news behind its price decline. The 3.6% reading therefore describes traders’ pricing of a deadline-bound confirmation event—not evidence establishing whether aliens exist.
What it means for prediction markets
The outcome is deadline-specific. The contract concerns U.S. confirmation before 2027, rather than the broader question of extraterrestrial existence.
Volume does not equal conviction. The $42.8M total measures cumulative trading, not support for a “Yes” outcome.
Resolution wording matters. Without the detailed rules, the supplied material does not establish what would qualify as U.S. confirmation.
Refresh timing limits the snapshot. PredictionBubbles updates every 15 minutes, so its displayed probability may not capture every intervening trade.