Will Anthropic IPO by October 15, 2026?
As of Sep 29, 2026, 10:03 AM ET, Polymarket priced this market at 1.4% (down from 3.7% 24 hours earlier). It had $38.5K traded in the past 24 hours, $22.2K of order-book liquidity and a bid-ask spread of 0.8 pts. 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: healthy trading volume and market depth, a tight spread.
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: healthy trading volume and market depth, a tight spread.
Consensus stability
Has the market settled at the new probability?
FormingMovement has slowed (2.3 points over six hours) but the market has not fully settled.
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
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The primary resolution source for this market is official filings and announcements from Anthropic and the r…
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
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The primary resolution source for this market is official filings and announcements from Anthropic and the relevant securities exchange on which the shares are listed, including SEC filings (e.g., Form S-1, Form 8-A), exchange listing confirmations, and official press releases from Anthropic; however a consensus of credible reporting may also be used.
What could move this market next?
- The market's deadline arrivesJune 30, 2027 at 8:00 PM ET
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Sep 29, 10:05 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 ±21 pts.
What's happening
Recent movement was driven largely by one participant with little broad follow-through. The move may not represent consensus.
- One participant drove 69% of recent flow
Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.
More details — reliability score, dynamics, durability
- Choppy / mean-reverting91%
- Stable consensus3%
- Illiquid / quiet3%
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
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.
Market data
24h volume
$38.5K
Liquidity
$22.2K
Total volume
$170.2K
- Category
- AI / Tech
- Venue
- Polymarket
- Open interest
- —
- Spread
- 0.8 pts
- Best bid
- 1.0%
- Best ask
- 1.8%
- 7-day range
- 1.4% – 6.2%
- Resolves
- Jun 30, 2027