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KalshiMacro / FedUpdated 12m ago

Will the rate of CPI inflation be above 3.9% for the year ending in September 2026?

Market probability
13.0%
0.5 percentage points
over 24 hours13.5%13.0%
32 days until the event deadline
Deadline: October 14, 2026 at 8:29 AM ET

Too little market data to assess this move — treat the probability with caution.

This venue reports too little volume or book data for this market to judge the trading behind the price. The probability moved another 2.5 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?

Insufficient data

This venue reports too little volume or book data for this market to judge the trading behind the price.

Consensus stability

Has the market settled at the new probability?

Unsettled

The probability moved another 2.5 points in the past hour — the market is still repricing.

Contract clarity

Will the rules resolve without ambiguity?

High

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

What this market actually measures

If the Consumer Price Index (CPI) increases by more than 3.9% in the twelve months ending September 2026 (as represented by the one-decimal place value reported by the Bureau of Labor Statistics), then the market resolves to Yes.

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

If the Consumer Price Index (CPI) increases by more than 3.9% in the twelve months ending September 2026 (as represented by the one-decimal place value reported by the Bureau of Labor Statistics), then the market resolves to Yes.

Resolution source: If the Consumer Price Index (CPI) increases by more than 3.9% in the twelve months ending …

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 Sep 11, 12:55 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 ±32 pts.

Thin marketLegacy movement classifier: noisy

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.

  • Low liquidity score (22)
  • Wide spread (18.0 pts)

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
0Low
Where the price path tends to go next773 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

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

$15

Liquidity

$0

Total volume

$1.4K

Category
Macro / Fed
Venue
Kalshi
Open interest
$1.3K
Spread
18.0 pts
Best bid
4.0%
Best ask
22.0%
7-day range
10.5% – 13.5%
Resolves
Oct 14, 2026
Resolution
If the Consumer Price Index (CPI) increases by more than 3.9% in the twelve months ending …
Change (pts)1H+2.56H-0.524H-0.57D-0.5

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