US government nationalizes OpenAI or Anthropic before 2029?
As of Oct 1, 2026, 12:02 AM ET, Manifold priced this market at 15.8% (down from 17.0% 24 hours earlier). It had Ṁ100 traded in the past 24 hours and Ṁ1K of order-book liquidity. probcast.co rates the support behind this price as moderate.
A repricing with partial backing — read the new probability with some caution.
The pricing has partial support: moderate trading volume.
How credible was the move?
Three separate questions — a move can be genuine while the latest price is still settling. Methodology →
Move validity
Is the move backed by real trading and depth?
ModerateThe pricing has partial support: moderate trading volume.
Consensus stability
Has the market settled at the new probability?
StableThe probability has held near its current level over the past several hours.
Contract clarity
Will the rules resolve without ambiguity?
HighThe resolution rules are relatively specific, with a named source and a defined deadline.
From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.
What this market actually measures
Resolves YES iff the US government nationalizes either OpenAI or Anthropic (or both) by 11:59pm December 31st 2028. 'Nationalize' means either the US government owns >50% of the firm's equity with voting rights (by whatever means) or USG takes over operations at the firm using some power like eminent domain or exercising the Defense Production Act.
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
Resolves YES iff the US government nationalizes either OpenAI or Anthropic (or both) by 11:59pm December 31st 2028. 'Nationalize' means either the US government owns >50% of the firm's equity with voting rights (by whatever means) or USG takes over operations at the firm using some power like eminent domain or exercising the Defense Production Act. Update 2026-07-20 (PST) (AI summary of creator comment): A US Sovereign Wealth Fund owning >50% of voting equity in OpenAI or Anthropic would count as US government ownership for the purposes of this market.
What could move this market next?
- The market's deadline arrivesDecember 31, 2028 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 Oct 1, 12:12 AM 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 ±17 pts.
What's happening
Thin book and/or wide spread. Small orders can move this price disproportionately, so any single print is noisy and easily overread.
- Thin book and/or wide spread.
Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.
More details — reliability score, dynamics, durability
- Illiquid / quiet99%
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
Secondary read: leaning toward Stale price.
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.
Market data
24h volume
Ṁ100
Liquidity
Ṁ1K
Total volume
Ṁ2.3K
- Category
- AI / Tech
- Venue
- Manifold
- Open interest
- —
- Current probability
- 15.8%
- 7-day range
- 15.8% – 17.0%
- Resolves
- Dec 31, 2028