Markets · Kalshi ·August 10, 2026 ·Edited by Samuel Jo

US July inflation report due August 12 with CPI seen above -0.4%

The Bureau of Labor Statistics is set to release the July Consumer Price Index on August 12, capping a week in which investors and policymakers are scrutinizing inflation for signs of whether price pressures continue their slow drift toward the Federal Reserve's 2% target. The specific question at hand is whether headline CPI increased by more than -0.4% on a single-decimal basis in July — a threshold so deeply negative it would require an outright deflationary shock unseen in years of monthly readings. With the report just two days away, traders put the probability at 98%, treating an above -0.4% reading as effectively decided. Investopedia flags the July print as a central event of the week alongside US consumer spending and sentiment updates, while Seeking Alpha warns a hot reading could pressure equity valuations.

Background

The CPI report is the most closely watched monthly inflation gauge in the United States, feeding directly into Federal Reserve rate decisions and moving Treasury yields, equities, and the dollar on release day. The -0.4% threshold amounts to a monthly deflation reading so severe it has essentially never been in play during the post-pandemic era; even the softest recent monthly prints have registered small positive gains. The last time headline CPI approached such territory was during the acute demand collapse of early 2020. Separately, China reported its own July inflation data this week, with Reuters and the Wall Street Journal both noting consumer inflation slowed more than expected — a signal of cooling demand in the world's second-largest economy that colors the global inflation picture even though it has no bearing on the US CPI print.

The precedent

• The last time US headline CPI posted a monthly decline approaching -0.4% was April 2020, when it fell 0.8% during the pandemic demand collapse.
• US headline CPI has not recorded a single negative monthly reading since mid-2020.
• The Federal Reserve has held its policy rate at 5.25–5.50% since July 2023, the longest pause in a tightening cycle in over two decades.

Context compiled by Crowdtells from the public record — verify before relying on it.

What to watch

The BLS releases July CPI on the morning of August 12. Headline month-over-month CPI, core CPI excluding food and energy, and year-over-year readings will all be parsed for the Fed's September policy decision. A surprisingly soft monthly figure — even one well above -0.4% — could shift rate-cut expectations and move markets. Also watch the concurrent consumer spending and sentiment data flagged by Investopedia for corroborating signals on the economy's trajectory.

AI-written briefing grounded in 4 sources and the live market, edited by Samuel Jo. Odds are crowd probabilities, not advice — how this works.