ManifoldAI / TechUpdated 8m ago

Does Claude Opus 5.5 make egregious errors?

As of Sep 30, 2026, 9:02 PM ET, Manifold priced this market at 25.8% (down from 39.2% 24 hours earlier). It had Ṁ737.1 traded in the past 24 hours and Ṁ1K of order-book liquidity. probcast.co rates the support behind this price as weak.

Market probability
25.8%
−13.4 percentage points
over 24 hours39.2% → 25.8%
14 days until the event deadline
Deadline: October 15, 2026 at 3:00 PM ET

The move lacks solid trading support — treat the new probability with caution.

The pricing has weak support: healthy trading volume and market depth.

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?

Weak

The pricing has weak support: healthy trading volume and market depth.

Consensus stability

Has the market settled at the new probability?

Forming

Movement has slowed (5.4 points over six hours) but the market has not fully settled.

Contract clarity

Will the rules resolve without ambiguity?

High

The resolution rules are relatively specific, with a named source and a defined deadline.

Recent trade activity$736 traded

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

Why the odds moved

The probability fell 13.4 percentage points over the last 24 hours (39.2% → 25.8%).

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 arrivesOctober 15, 2026 at 3:00 PM ET

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

Derived from the contract's own mechanics as of Sep 30, 9:09 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.

Reacting to newsLegacy movement classifier: noisy

What's happening

medium 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 5.4 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
Reliability score
9Low
Where the price path tends to go next1091 observed
  • Illiquid / quiet99%

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

DurabilityMedium· half-life ~1h
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.

Market data

24h volume

Ṁ737.1

Liquidity

Ṁ1K

Total volume

Ṁ0

Category
AI / Tech
Venue
Manifold
Open interest
—
Current probability
25.8%
7-day range
20.9% – 39.2%
Resolves
Oct 15, 2026
Change (pts)1H0.06H-5.424H-13.47D-13.4

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