TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 8:25 AM EST
Kalshi
These markets track specific combinations of month-over-month changes in both headline and core Consumer Price Index (CPI) for August 2026. Contracts pay out only if both headline and core CPI meet the exact conditions outlined in each market simultaneously.
Each market requires that both headline and core CPI values for August 2026 meet precisely defined thresholds for the contract to resolve to Yes. Headline CPI refers to the month-over-month percent change in CPI-U: All Items, while core CPI refers to the month-over-month percent change in CPI-U: All Items Less Food and Energy. Resolution depends on the first officially released value from ECONSTAT, using the single-decimal format. If either component fails to meet its specified condition, or if the data becomes impossible to determine, the entire market resolves to No immediately. All conditions must be satisfied within the August 2026 reporting period, with no reliance on preliminary or revised estimates unless explicitly stated.
Currently, this market reflects trader sentiment through its odds, which can be higher or lower than traditional analyst forecasts depending on recent economic data and expectations. Analysts often look at factors like wage growth, energy prices, and central bank policies, while traders may react more quickly to new information or shifts in market sentiment.
On Kalshi, traders actively set the odds for the 2026 CPI inflation market through continuous bidding and asking. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current probability reflects collective expectations of inflation trends over the next several years. Volume of $58,432 shows trader interest, while recent 24-hour volume of $12,224 indicates short-term activity. As economic data rolls out, these odds may shift to reflect new insights or revisions in market sentiment.
This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The final determination will rely on officially released data that matches the market’s defined parameters, ensuring an objective and transparent resolution process.
Several signals could influence this market before Sep 11, 2026. Key economic indicators such as monthly CPI releases, Federal Reserve policy changes, and major geopolitical developments often shift expectations for inflation. Unexpected supply chain disruptions or shifts in consumer behavior may also affect pricing. As the resolution date approaches, traders will closely watch official reports and analyst forecasts to adjust their positions based on evolving outlooks.