Will Anthropic's public Form S-1 appear on SEC EDGAR by October 31, 2026?
The move lacks solid trading support — treat the new probability with caution.
The pricing has weak support: moderate trading volume. The probability moved another 2.8 points in the past hour — the market is still repricing.
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?
WeakThe pricing has weak support: moderate trading volume.
Consensus stability
Has the market settled at the new probability?
UnsettledThe probability moved another 2.8 points in the past hour — the market is still repricing.
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.
Why the odds moved
The probability rose 14.9 percentage points over the last 24 hours (62.7% → 77.6%).
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 arrivesNovember 1, 2026 at 1:00 AM ET
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Sep 18, 9:46 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 ±29 pts.
What's happening
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 14.9 pts in ≤6h on adequate liquidity
Read the latest price with caution; conditions make it an unreliable summary right now.
More details — reliability score, dynamics, durability
- Illiquid / quiet98%
- Choppy / mean-reverting1%
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
Secondary read: leaning toward Trending.
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
Ṁ94
Liquidity
Ṁ100
Total volume
Ṁ94
- Category
- AI / Tech
- Venue
- Manifold
- Open interest
- —
- Current probability
- 77.7%
- 7-day range
- 62.7% – 77.7%
- Resolves
- Nov 1, 2026