OpenAI's valuation hit (HIGH) $1.25T by December 31 priced at 66% on Polymarket, up 3 points, on $122K traded
Quiet quarter-hour — no significant new platform headline in the last 15 minutes (news search surfaced only recirculated items already carried today: the $750M / $220M…
Polymarket priced the chance of OpenAI’s valuation reaching $1.25T by December 31 at 66%, up 3 probability points, with $122K traded in the supplied market update published Oct 18, 2026 · 10:24 AM ET.
The higher price was not accompanied by an identified fresh catalyst. The supplied news summary reported no significant new platform headline during the preceding 15 minutes; its search found only previously circulated items already covered that day.
A repricing, not a valuation announcement
The move reflects a change in traders’ assessment of the valuation outcome, rather than evidence that OpenAI has reached $1.25T. The supplied material contains no new valuation announcement or transaction establishing that figure.
According to predictionbubbles.net, its movers board measures changes over 24 hours in probability points, rather than relative percentages. It refreshes every 15 minutes using venue prices; the supplied page records a venue snapshot taken on 18 Oct 2026, 14:09 UTC.
What the available data can establish
According to predictionbubbles.net, trading volume provides context but does not determine a market’s movement ranking. The $122K traded figure therefore belongs alongside the 3-point rise, but does not by itself establish market depth or explain why prices changed.
The supplied source excerpt explains the scanner’s methodology but does not include the OpenAI market card or its settlement rules. The headline provides the contract’s reported price, move and traded amount, while the available reporting leaves the immediate cause of the repricing unresolved.
What it means for prediction markets
- Separate price from confirmation: The 66% reading is a market-implied probability, not confirmation of a $1.25T OpenAI valuation.
- Match the time windows: A quiet 15-minute news period does not explain—or rule out catalysts for—a move measured over 24 hours.
- Keep volume in context: $122K traded does not establish how much liquidity was available when the price moved.
- Check resolution criteria: The supplied material does not specify what valuation evidence would qualify for settlement by December 31.
Sources & attribution
- [1]Predictionbubbles (predictionbubbles.net)https://predictionbubbles.net/markets/movers/
Date & time:
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