ManifoldPlay moneyAI / TechLikely noiseUpdated 6m ago

will openAI reach a 1 trillion (USD) valuation before 1/1/2028

As of Nov 2, 2026, 3:01 PM ET, Manifold priced this market at 97.3% (up from 85.6% 24 hours earlier). It had 353 mana traded in the past 24 hours and 100 mana of pool liquidity. probcast.co rates the support behind this price as weak.

Market probability
97.3%
+11.7 percentage points
over 24 hours85.6% → 97.3%
Moving fastBig move, weak backing

Play-money market (mana, not dollars) — thin market where small orders can move the price — today's move came from a small group of accounts.

Price historyManifold

Source: Manifold price history

How credible was the move?

Methodology →

Move validity

Weak

Consensus stability

Forming

Contract clarity

High

Can you trust this price?

Two different questions: how hard the price is to move, and whose trading set it.

Market capacity

How hard is it to move this price?

Thin

Pool liquidity

100 mana

Bid-ask spread

n/a

automated market maker

24h volume

353 mana

Total volume

728 mana

Play money: depth is in mana, so it says nothing about real-money conviction.

Who's trading

Whose opinion is this price?

A few accounts
50%of the traded money came from the single largest account

Accounts

12

Trades

32

over 48 days

Largest order

330 mana

709.8 mana traded across these 32 trades (last 48 days).

A small group of accounts did most of the trading — neither one whale nor a broad crowd.

Recent trade activity$709.8 traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

Resolution criteria This market resolves to YES if OpenAI reaches a valuation of $1.00 trillion (USD) or more at any point before January 1, 2028 (measured in UTC). Otherwise, this market resolves 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.

View full official resolution rules

Resolution criteria This market resolves to YES if OpenAI reaches a valuation of $1.00 trillion (USD) or more at any point before January 1, 2028 (measured in UTC). Otherwise, this market resolves to NO. The valuation will be determined based on the following rules depending on OpenAI's corporate status: If OpenAI is a private company: The valuation must be established by an official primary funding round, a company-sponsored tender offer, or an official transaction/funding event reported by credible financial news outlets (e.g., Bloomberg, The Wall Street Journal, Reuters, Financial Times) or announced directly by OpenAI. Non-company-sponsored secondary market trading estimates (such as general platform indicators on Forge Global, Hiive, or Nasdaq Private Market's composite marks) will not suffice for a YES resolution unless they represent an officially completed and company-backed transaction/tender round valuing the company at $1.00 trillion or more. If OpenAI undergoes a public listing (IPO, Direct Listing, SPAC, etc.): The market capitalization of OpenAI (or the entity representing the bulk of its business post-listing) must reach $1.00 trillion (USD) or more. Market capitalization is calculated as the closing share price multiplied by the total outstanding shares. A YES resolution is triggered if the market capitalization at the close of any trading day prior to January 1, 2028 is at or above $1.00 trillion (USD) on a major regulated stock exchange (such as NASDAQ or NYSE). Other Conditions: If there are conflicting reports about the exact valuation of a private funding round, the creator will use a consensus of major financial publications. If OpenAI has not completed a qualifying transaction or public market close at or above $1.00 trillion USD by December 31, 2027, 23:59 UTC, this market resolves to NO. Background Valuation History: In March 2026, OpenAI closed a historic funding round raising $122 billion, which valued the company at a post-money valuation of $852 billion. This was a substantial increase from its $157 billion private valuation in October 2024 and its ~$100 billion valuation in early 2024. IPO Outlook: In September 2026, CEO Sam Altman confirmed that OpenAI would delay its widely anticipated initial public offering (IPO) until at least 2027 to focus on AI safety and alignment. Internal discussions and reports indicate that Altman has strongly pushed advisers to target a valuation of at least $1 trillion for its public market debut.

Why the odds moved

The probability rose 11.7 percentage points over the last 24 hours (85.6% → 97.3%).

No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.

What could move this market next?

  • The market's deadline arrivesDecember 31, 2027 at 6:59 PM ET

    The contract must resolve based on what has happened by this date.

Derived from the contract's own mechanics as of Nov 2, 3:07 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

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 ±30 pts.

Reacting to newsLegacy movement classifier: noisy

What's happening

high classifier confidence
Reacting to news

The price is actively repricing on real volume. The number is still moving — don't treat the latest print as settled consensus yet.

  • Probability moved 11.7 pts in ≤6h on adequate liquidity
  • Flow one-directional across 12 participants (broad, not a single order)

Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
12Low
Where the price path tends to go next444 observed
  • Illiquid / quiet97%
  • Choppy / mean-reverting1%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityMedium· half-life ~7h
PredictabilityElevated irreducibility

Secondary read: leaning toward Thin market.

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.

Change (pts)1H0.06H+11.724H+11.77D+11.7