TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 8:29 AM EST
Kalshi
This market tracks whether U.S. year-over-year inflation will reach exactly 2.8% in August 2026. On Kalshi, the leading outcome currently stands at 49.5%, with the alternative outcome also at 49.5%. Resolution will be determined by the official CPI year-over-year figure released for August 2026, according to Kalshi's resolution source. Traders should monitor the inflation data release scheduled for September 11, 2026, which will settle this contract.
If the CPI year-over-year is exactly 2.0% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.1% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.2% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.3% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.4% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.5% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.6% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.7% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.8% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 2.9% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.0% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.1% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.2% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.3% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.4% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.5% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.6% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.7% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.8% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 3.9% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.0% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.1% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.2% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.3% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.4% in Aug 2026, then the market resolves to Yes. If the CPI year-over-year is exactly 4.5% in Aug 2026, then the market resolves to Yes.
Prediction market odds on Kalshi reflect real-money bets from traders and often diverge from consensus analyst forecasts. While traditional economists publish CPI expectations through surveys and reports, prediction markets incorporate forward-looking sentiment and uncertainty pricing. Comparing the market's implied probability to median analyst estimates can reveal whether traders expect inflation to differ from mainstream expectations. This divergence often highlights where market participants see asymmetric risk or information gaps in official forecasts.
The CPI year-over-year in Aug 2026 market resolves on Sep 11, 2026. Resolution is determined by the official year-over-year Consumer Price Index figure released by the U.S. Bureau of Labor Statistics for August 2026. The actual CPI print will be compared against the contract terms to settle all positions. Traders should monitor the BLS release calendar and economic data leading up to that date to assess how inflation trends may influence the final outcome.
Several factors could shift CPI year-over-year in Aug 2026 odds before resolution. Federal Reserve policy decisions and interest rate changes directly influence inflation expectations. Energy prices, particularly oil, affect headline CPI significantly. Labor market strength, wage growth, and supply-chain disruptions all feed into price pressures. Major geopolitical events, trade policy shifts, or commodity shocks could reshape inflation forecasts. Additionally, prior monthly CPI releases and core inflation trends in the months leading to August 2026 will provide real data points that traders use to refine their probability estimates.