Markets Kalshi August 31, 2026
US August CPI Expectations Firm Amid Global Inflation Data
CPI in August
Kalshi prices this Above -0.3% at 99%. The reporting broadly agrees.
Economists are closely monitoring the upcoming U.S. Consumer Price Index (CPI) report for August 2026, which is expected to show an increase above -0.3%. This comes as global inflation data from other major economies, including Germany and Japan, indicates rising price pressures. The U.S. report, due on September 11, will offer a crucial read on domestic inflationary trends. While several international reports suggest a firmer trend, the market's current outlook puts the probability of an increase above -0.3% at 99%, reflecting strong confidence in this outcome.
Background
The Consumer Price Index (CPI) is a key economic indicator that measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. It is a critical metric for policymakers, businesses, and consumers, influencing monetary policy decisions and wage negotiations. The August 2026 report will provide an update on the ongoing inflation narrative, following recent trends that have seen various global economies grapple with fluctuating price levels. The specific question at hand is whether the CPI will register an increase greater than -0.3% for the month.
What the coverage agrees on
- The U.S. August CPI report is due on September 11, 2026.
- Other major economies like Germany and Japan have reported rising CPI in August.
How outlets frame it
- Continuum Economics: Emphasizes that the U.S. August CPI is expected to be 'firmer on ener' (likely referring to energy prices), suggesting a specific driver for the anticipated increase.
What to watch
The U.S. August CPI report is scheduled for release on September 11, 2026. This official data will definitively determine whether the CPI increased by more than -0.3%. Any significant deviation from expectations could prompt shifts in economic forecasts and policy discussions.
The numbers behind this
Kalshi prices this Above -0.3% at 99%.
24h 0.0 pts
$157K traded · $55.2K in the last day · $78.6K open interest
Resolves on: If the Consumer Price Index (CPI) increases by more than -0.3% (single-decimal) in August 2026, then the market resolves to Yes.
Pricing Kalshi 99%
Sources
- Preview: Due September 11 - U.S. August CPI - Firmer on ener continuumeconomics.com
- Spain: Flash estimate of the Consumer Price Index (CPI) August 2026 forexfactory.com
- 1.9%: Japan’s Tokyo CPI inflation rises in August fxstreet.com
- Germany Inflation August 2026: CPI Rises to 2.9% | Destatis - News and Statistics indexbox.io
Frequently asked questions
CPI in August
Kalshi prices this Above -0.3% at 99%. The reporting broadly agrees.
What do the sources agree on?
The U.S. August CPI report is due on September 11, 2026. Other major economies like Germany and Japan have reported rising CPI in August.
When does this market resolve?
This market resolves on: If the Consumer Price Index (CPI) increases by more than -0.3% (single-decimal) in August 2026, then the market resolves to Yes.
How are these odds set?
Prediction-market odds are prices set by people trading real money on the outcome, so the price reads as the crowd’s implied probability — not a guarantee or financial advice.
AI-written briefing grounded in 4 sources and the live market, edited by Samuel Jo. Odds are crowd probabilities, not advice — how this works.