The U.S. Labor Department is set to release the June Consumer Price Index report on Tuesday. The market may witness a rare sight: a month-on-month decline in the headline CPI. However, the underlying inflation picture, excluding volatile energy prices, is far less optimistic than the headline number suggests. For the Federal Reserve, the pressure to consider raising interest rates has not been lifted.
The primary factor behind the cooling prices is the decline in oil costs. Wall Street forecasts indicate the headline CPI likely fell by 0.1% month-on-month in June, which would be the first negative monthly inflation reading since the pandemic in 2020. The year-on-year increase is expected to slow to 3.9% from 4.2% in May, largely dragged down by the energy component. While gasoline prices surged 7% month-on-month in May, they have been falling across the U.S. in June. The drop in crude oil prices has directly suppressed the energy index, contributing an estimated drag of around 0.2 percentage points on the overall monthly CPI change.
BMO Chief Economist Douglas Porter noted that while retail fuel price declines lagged crude, gasoline prices likely plunged around 10% month-on-month in June, marking one of the top four single-month drops in the past decade. This alone could subtract about 0.4 basis points from the headline CPI figure.
Core Inflation Remains Sticky
The core CPI, which excludes food and energy, is forecast to have risen 0.2% month-on-month. The year-on-year rate is expected to be 2.8%, down slightly from 2.9% in May but still significantly above the Fed's 2% target. The main source of stickiness remains shelter costs, which carry a weight of about 35% in the index. The owners' equivalent rent component is expected to have risen 0.2% in June, a slower pace than May but still the primary driver of core inflation. The lagged effect of past home price increases means shelter inflation is likely to remain around 3.8% year-on-year for the near term, with a rapid decline unlikely.
Core goods are experiencing ongoing deflation. Used car prices are expected to have fallen 0.5% month-on-month, new car prices dipped 0.1%, and auto insurance saw a slight decline. Analysts broadly agree that the pass-through effects from import tariff increases are nearing their end, meaning the goods sector is no longer adding incremental pressure to inflation.
Service sector prices, however, remain elevated. Airfare likely rose 1.5% month-on-month, while hotel price increases moderated to 0.3%. The summer travel-driven price momentum is weakening. Medical care services inflation remains rigid at 3.4% year-on-year, supported by rising labor costs, suggesting this component will stay elevated in the medium term. Transportation service prices saw some marginal relief due to falling oil costs.
Consequently, core inflation remains stubbornly high. While the data shows some improvement, it remains far from the target. Porter added that core CPI is holding steady near 3% year-on-year, a level identical to a year ago, showing no sign of a downward trend.
Implications for Monetary Policy
The recent two-month acceleration in U.S. inflation was the direct catalyst for a shift in market expectations regarding Fed policy. The mid-June Federal Open Market Committee meeting, the first under Chairman Kevin Walsh, delivered a distinctly hawkish signal. Faced with persistent high inflation, the committee significantly raised its median inflation projection for 2026 from 2.7% to 3.6%. The median projection for the federal funds rate also increased, from 3.4% to 3.8%, sending a clear signal that interest rates will likely need to stay higher for longer.
The meeting minutes revealed that most participants noted inflation has been above the 2% target for several years. They expressed concern that persistently high prices could gradually distort market inflation expectations and alter business behavior regarding wage and price setting. Several officials believed high commodity prices and global supply chain disruptions could last longer than markets anticipate. Additionally, strong global demand for AI infrastructure investment is likely to continue pushing up prices for electronics and electricity.
This internal divergence has led markets to begin pricing in a scenario where the Fed's next move is not a prolonged pause, but another rate hike. Bank of America Securities rates strategist Mark Cabana commented that the June CPI report is the last major inflation data point before the July FOMC meeting. The currently expected figures would likely dampen market bets on a July hike. However, if the underlying components come in worse than expected, the market's probability assessment for a hike versus no hike could approach a 50/50 split.
Compounding the Fed's policy challenge is the continued rise in consumer inflation expectations. The latest New York Fed Survey of Consumer Expectations showed that one-year-ahead inflation expectations climbed to 3.7% in June, the highest since September 2023. Three-year-ahead expectations also rose to 3.3%. Pricing in the federal funds futures market shows that the probability of a rate hike by October is approaching being fully priced in.
Boris Schlossberg, a macro strategist at BK Asset Management, stated that the Fed is closely focused on the persistence of month-on-month core CPI. A single month of moderation is insufficient to change its hawkish stance; it would require two to three consecutive months of readings below 0.2% for the Fed to abandon its plan for a rate hike this year. Given the current environment, a renewed escalation in Middle East shipping conflicts and a rebound in oil prices could put upward pressure on July's CPI, thereby strengthening the case for a hike.
It is worth noting that Fed Chairman Kevin Walsh is scheduled to testify before Congress on Tuesday, marking his first congressional hearing as Chair. Observers will scrutinize his remarks for clues on three key issues: whether the Fed sees room for a rate hike this year, its policy approach to potential Middle East-driven oil price and energy inflation shocks, and its assessment of potential overheating in the AI industry and the overall resilience of the economy.
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