ManifoldMacro / FedUpdated 10m ago

Will September 2026 headline CPI-U rise at least 0.3% month-over-month?

As of Oct 7, 2026, 3:01 PM ET, Manifold priced this market at 97.0% (up from 95.2% 24 hours earlier). It had Ṁ137.4 traded in the past 24 hours and Ṁ100 of order-book liquidity. probcast.co rates the support behind this price as moderate.

Market probability
97.0%
+1.8 percentage points
over 24 hours95.2% → 97.0%
6 days until trading closes
Deadline: October 14, 2026 at 8:29 AM ET

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?

Moderate

The pricing has partial support: moderate trading volume.

Consensus stability

Has the market settled at the new probability?

Stable

The probability has held near its current level over the past several hours.

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$697.3 traded

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

What this market actually measures

This market resolves YES if the initial BLS Consumer Price Index release for September 2026 reports that the all-items Consumer Price Index for All Urban Consumers (CPI-U), seasonally adjusted, rose at least 0.3% from August 2026 to September 2026. Resolve NO if the initial BLS release reports a seasonally adjusted all-items CPI-U month-over-month change of 0.2% or lower, including 0.0% or a decline.

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 resolves YES if the initial BLS Consumer Price Index release for September 2026 reports that the all-items Consumer Price Index for All Urban Consumers (CPI-U), seasonally adjusted, rose at least 0.3% from August 2026 to September 2026. Resolve NO if the initial BLS release reports a seasonally adjusted all-items CPI-U month-over-month change of 0.2% or lower, including 0.0% or a decline. Use the official BLS CPI news release or its tables for September 2026 as the primary source. Do not use core CPI, year-over-year CPI, PCE, PPI, non-seasonally-adjusted monthly change, real earnings, or later annual revisions. If BLS corrects the initial September 2026 CPI release before this market is resolved, use the corrected BLS release. Scheduled source context: BLS calendar lists Consumer Price Index, September 2026, at 08:30 AM Eastern on October 14, 2026. The market closes one minute before the scheduled 08:30 ET release time. Creation source-check snapshot: {"checked_at": "2026-06-22T00:04:27Z", "local_fetch_checks": {"bls_cpi_home": {"error": "HTTPError: HTTP Error 403: Forbidden", "ok": false, "url": "https://www.bls.gov/cpi/"}, "bls_current_cpi_release": {"error": "HTTPError: HTTP Error 403: Forbidden", "ok": false, "url": "https://www.bls.gov/news.release/cpi.nr0.htm"}, "bls_october_2026_schedule": {"error": "HTTPError: HTTP Error 403: Forbidden", "ok": false, "url": "https://www.bls.gov/schedule/2026/10_sched.htm"}}, "note": "BLS blocked direct local fetches from this host during preflight; official schedule page was browser-verified immediately before creation.", "official_browser_verified_context": "BLS calendar lists Consumer Price Index, September 2026, at 08:30 AM Eastern on October 14, 2026."}. Related non-duplicates: - August 2026 CPI markets differ by reference month. - Core CPI markets differ because this market uses all-items/headline CPI-U. - PCE and PPI markets differ because this market uses BLS CPI-U. - Year-over-year inflation markets differ because this market uses seasonally adjusted month-over-month change. Sources / resolver surfaces: - BLS October 2026 release schedule: https://www.bls.gov/schedule/2026/10_sched.htm - BLS CPI program page: https://www.bls.gov/cpi/ - BLS current CPI release surface: https://www.bls.gov/news.release/cpi.nr0.htm

What could move this market next?

  • The market's deadline arrivesOctober 14, 2026 at 8:29 AM ET

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

Derived from the contract's own mechanics as of Oct 7, 3:11 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 ±21 pts.

Thin marketLegacy movement classifier: watch

What's happening

medium classifier confidence
Thin market

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
Reliability score
19Low
Where the price path tends to go next1076 observed
  • Illiquid / quiet99%

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

DurabilityHigh· half-life ~45h
PredictabilityStable

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

Ṁ137.4

Liquidity

Ṁ100

Total volume

Ṁ757

Category
Macro / Fed
Venue
Manifold
Open interest
—
Current probability
97.0%
7-day range
95.2% – 97.0%
Resolves
Oct 14, 2026
Change (pts)1H0.06H0.024H+1.87D+1.8

Cross-venue check

0.5 pts apart
Match: normalized event signature (moderate match)

Kalshi prices this same question at 97% vs Manifold at 97%. The venues broadly agree, which adds confidence to the price.

Compare on Kalshi →

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