TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 14, 8:29 AM EST
Kalshi
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.
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.
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.