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$1,885,293,300

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Economics
CPI core month-over-month in Sep 2026?
kalshi

CPI core month-over-month in Sep 2026?

Volume:
$40,034

Exactly 0.3%

 - Kalshi

Exactly 0.3% - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 14, 2026

Closed: Oct 14, 8:29 AM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Exactly 0.3%

View
100%
69%
Yes 100¢No 0¢
—
N/A
$19,727
N/A
N/A
$16,503
Settled
Yes
kalshi

Exactly 0.2%

0%
48%
Yes 0¢No 100¢
—
N/A
$16,383
N/A
N/A
$11,242
Settled
No
kalshi

Exactly 0.1%

0%
14%
Yes 0¢No 100¢
—
N/A
$2,789
N/A
N/A
$906
Settled
No
kalshi

Exactly 0.4%

0%
4%
Yes 0¢No 100¢
—
N/A
$852
N/A
N/A
$749
Settled
No
kalshi

Exactly 0.0%

0%
4%
Yes 0¢No 100¢
—
N/A
$220
N/A
N/A
$220
Settled
No
kalshi

Exactly 0.5%

0%
5%
Yes 0¢No 100¢
—
N/A
$64
N/A
N/A
$64
Settled
No
kalshi

Exactly -0.2%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Exactly -0.1%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 8

Intro

This market tracks whether the core Consumer Price Index will increase by exactly 0.3% month-over-month in September 2026. On Kalshi, the probability of a 0.3% core CPI increase stands at 50.0%, while the probability of an alternative outcome is 50.0%. Resolution will be determined by the official CPI data released by the Bureau of Labor Statistics. Watch for the September 2026 CPI report scheduled for October 14, 2026, which will provide the definitive month-over-month core inflation figure.

Kalshi

If the CPI core month-over-month is exactly -0.2% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly -0.1% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.0% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.1% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.2% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.3% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.4% in Sep 2026, then the market resolves to Yes. If the CPI core month-over-month is exactly 0.5% in Sep 2026, then the market resolves to Yes.

Frequently asked questions

On Kalshi, the dashboard for the September 2026 CPI market tracks the current odds of various outcomes for the core CPI month-over-month change in September 2026. You’ll find the implied probability of each scenario, along with a price history showing how those probabilities have shifted over time. The dashboard also displays the 24-hour trading volume, currently at $5,490, and the total volume traded to date, which is $40,019. This provides a snapshot of market activity and sentiment surrounding future inflation expectations.

Currently, prediction market participants are pricing in a range of potential outcomes for the September 2026 CPI. It’s often the case that these forecasts, as reflected in this market, differ from those of traditional economic analysts and polls. While analysts may provide point estimates or ranges, this market represents a probabilistic view, aggregating the insights of numerous traders. Discrepancies can arise due to differing methodologies, information access, or simply varying interpretations of economic indicators. It's valuable to consider both sources when forming your own expectations.

This market resolves around Oct 14, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The official CPI data release from the Bureau of Labor Statistics for September 2026 will determine the final result. The market will settle based on the reported core CPI month-over-month percentage change. Traders holding contracts corresponding to the actual outcome will receive a payout, while those holding contracts on incorrect outcomes will not. This ensures a transparent and objective resolution process.

Several economic signals and events could significantly impact this market. Unexpected shifts in employment data, changes in energy prices, or geopolitical events could all influence inflation expectations and, consequently, trading activity. Major Federal Reserve policy announcements regarding interest rates or quantitative easing will also be closely watched. Furthermore, any revisions to previous CPI data or changes in the methodology used to calculate the CPI could also move this market. Monitoring these factors will be crucial for understanding potential price fluctuations.