UK Autumn Budget 2026: will mayors get a new tax power or a share of a national tax?
The move lacks solid trading support — treat the new probability with caution.
The pricing has weak support: thin 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?
WeakThe pricing has weak support: thin 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?
MediumModerate resolution risk, driven mainly by no resolution basis.
From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.
Why the odds moved
The probability fell 4.2 percentage points over the last 24 hours (45.0% → 40.8%).
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 28, 2026 at 8:00 AM ET
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Sep 22, 11:11 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 ±28 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 100% of recent flow
- Move not broadly confirmed (1 participants)
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
Ṁ10
Liquidity
Ṁ100
Total volume
Ṁ10
- Category
- Macro / Fed
- Venue
- Manifold
- Open interest
- —
- Current probability
- 40.8%
- 7-day range
- 40.8% – 45.0%
- Resolves
- Oct 28, 2026