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, 8:29 AM EST
Kalshi
This market tracks whether the Consumer Price Index will increase by exactly 0.4% from July to August 2026. On Kalshi, the probability of a 0.4% month-over-month increase stands at 25.0%, while the probability of the index falling between -0.2% and 0.6% is 19.5%. Resolution will be determined by the official CPI data released by the Bureau of Labor Statistics. The market settles on September 11, 2026, when the August CPI report becomes available.
If the CPI month-over-month is exactly -0.2% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly -0.1% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.0% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.1% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.2% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.3% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.4% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.5% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.6% in Aug 2026, then the market resolves to Yes.
The CPI month-over-month in Aug 2026 market resolves on Sep 11, 2026, following the official release of August 2026 inflation data. The outcome is determined by the actual month-over-month percentage change in the Consumer Price Index as published by the U.S. Bureau of Labor Statistics. Resolution occurs after the data is released and verified, at which point traders' positions settle based on which outcome bracket the final CPI figure falls into.
Key catalysts for CPI month-over-month in Aug 2026 include Federal Reserve policy decisions, energy and commodity price movements, labor market strength, and supply-chain developments. Inflation expectations embedded in bond markets, wage growth data, and housing costs will influence trader positioning. Geopolitical events, import tariffs, and seasonal factors affecting food and energy prices can shift odds significantly. Monthly jobless claims, producer price data, and consumer spending reports in the months leading up to August will provide early signals that move the market.