KalshiMacro / FedUpdated 7m ago

Will CPI rise more than 0.1% in September 2026?

As of Sep 28, 2026, 5:26 AM ET, Kalshi priced this market at 98.5% (little changed over 24 hours). It had $5 traded in the past 24 hours and a bid-ask spread of 1.0 pts.

Market probability
98.5%
Little changed over 24 hours
16 days until the event deadline
Deadline: October 14, 2026 at 8:25 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.

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?

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.

What this market actually measures

If the Consumer Price Index (CPI) increases by more than 0.1% (single-decimal) in September 2026, 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 0.1% (single-decimal) in September 2026, then the market resolves to Yes.

Resolution source: If the Consumer Price Index (CPI) increases by more than 0.1% (single-decimal) in Septembe…

What could move this market next?

  • The market's deadline arrivesOctober 14, 2026 at 8:25 AM ET

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

Derived from the contract's own mechanics as of Sep 28, 5:33 AM 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 ±26 pts.

Stale priceLegacy movement classifier: watch

What's happening

medium classifier confidence
Stale price

The price hasn't updated recently and volume is light, so it may not yet reflect the latest information. Treat the latest print as possibly lagging, not settled.

  • Price has not updated recently (stale)
  • Low recent movement on light volume — quote may lag new information

Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
14Low
Where the price path tends to go next998 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 —
PredictabilityStable

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

$5

Liquidity

$0

Total volume

$11.1K

Category
Macro / Fed
Venue
Kalshi
Open interest
$2.2K
Spread
1.0 pts
Best bid
98.0%
Best ask
99.0%
7-day range
98.5% – 98.5%
Resolves
Oct 14, 2026
Resolution
If the Consumer Price Index (CPI) increases by more than 0.1% (single-decimal) in Septembe…
Change (pts)1H0.06H0.024H0.07D0.0

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