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US CPI Report Could Decide Whether the Federal Reserve Raises Rates in September

by Dean Dougn

Economists expect July inflation to moderate after June’s energy-driven decline, but a stronger core reading could revive pressure for higher interest rates as the Federal Reserve weighs persistent price pressures against a weakening labor market.

MARKET INSIDER — Wednesday’s US consumer inflation report could determine whether the Federal Reserve continues holding interest rates steady or prepares to resume tightening in September.

Economists expect the consumer price index to rise 0.1% in July, while core CPI, which excludes food and energy, is forecast to increase 0.2%. The annual headline rate is expected to ease to 3.4% from 3.5%, with core inflation slowing to 2.5% from 2.6%.

A result close to those estimates would give Fed Chair Kevin Warsh more time to assess the economic consequences of higher oil prices and deteriorating employment. A significant upside surprise, however, could strengthen the case for a rate increase after three policymakers dissented from the Fed’s decision to hold rates unchanged in July.

Key Highlights

  • July headline CPI is forecast to rise 0.1% month on month and 3.4% from a year earlier. Core CPI is expected to increase 0.2% monthly and 2.5% annually.
  • The Fed held rates at 3.5%–3.75% in July in a divided 9–3 vote. US payrolls unexpectedly declined by 23,000 in July, complicating the case for tighter policy.
  • The Fed will receive both July and August inflation data before its September 15–16 meeting. The latest oil-price increase will be more visible in August data than in Wednesday’s July report.

What economists expect from July CPI

The US Bureau of Labor Statistics will publish the July consumer price index at 8:30 a.m. Eastern time on Wednesday.

The consensus forecast calls for a 0.1% monthly increase in the all-items index, following a 0.4% decline in June. Core CPI is expected to rise 0.2% after remaining unchanged in the previous month.

On a 12-month basis, headline inflation is forecast to decline from 3.5% to 3.4%, while core inflation is expected to ease from 2.6% to 2.5%, according to Reuters

Those annual rates would remain above the Fed’s 2% objective, although the comparison is imperfect because the central bank formally targets inflation measured by the personal consumption expenditures price index rather than CPI.

Nevertheless, CPI arrives earlier each month and contains important information about shelter, goods and consumer services. It consequently has considerable influence on market expectations before the PCE report is released.

The distinction between headline and core inflation will be especially important this month. Falling gasoline prices may have kept the headline figure relatively subdued in July, while prices for categories such as airfare, education and used vehicles could place upward pressure on the core measure.

A headline number that looks favorable because of cheaper gasoline would therefore be less reassuring if underlying services and goods inflation accelerates.

June’s decline provided relief—but may be difficult to repeat

June delivered the most favorable US inflation report in several months. Headline CPI fell 0.4%, the largest monthly decrease since April 2020, while core prices were unchanged.

The improvement was driven primarily by energy. The energy index declined 5.7%, including a 9.7% fall in gasoline prices. Shelter inflation moderated to 0.1%, its smallest monthly increase since January 2021.

Even after that decline, headline CPI remained 3.5% higher than a year earlier, partly because energy prices were still 15.7% above their year-earlier level. Core CPI increased 2.6% over the same period, data from US Bureau of Labor Statistics showed.

Wednesday’s report will show whether June represented the beginning of a broader disinflationary trend or primarily a temporary benefit from lower fuel prices.

A 0.2% monthly core reading would be consistent with gradual progress toward price stability if sustained. By contrast, a rise of 0.3% or more could suggest that the June result understated underlying inflation pressure.

Composition will matter as much as the headline figures. Investors should examine shelter, vehicle prices, insurance, medical services and discretionary categories such as hotels and airfares to determine whether inflation is becoming narrower or spreading across the consumer basket.

The Fed is already divided

The Federal Open Market Committee voted 9–3 on July 29 to maintain the federal funds rate at 3.5%–3.75%. The three dissenters favored raising the range by a quarter percentage point, accoding to Federal Reserve

Such a split is significant because the Fed typically seeks broad agreement around its policy decisions. The dissents indicate that a meaningful minority already believes inflation requires a more restrictive stance.

Cleveland Fed President Beth Hammack, one of the officials supporting tighter policy, said this week that more than one quarter-point move might ultimately be necessary. Her argument rests partly on the view that the labor market remains sufficiently stable for the central bank to concentrate on restoring price stability.

Other policymakers may be more willing to wait. Two consecutive subdued core inflation readings would support the argument that the Fed can look through a temporary supply shock rather than reacting immediately with higher borrowing costs.

The result is a committee divided not necessarily over whether inflation is too high, but over the cost of waiting for clearer evidence.

A September increase remains a close call

Financial markets have reduced their expectations for a September rate increase following softer inflation and employment data. Futures pricing has recently indicated approximately even odds of a move at the next meeting, although those probabilities can change sharply after major economic releases.

The FOMC will next meet on September 15–16. Because there is no scheduled August policy meeting, officials will receive both the July CPI report and the August release, due September 11, before making their decision, the Federal Reserve meeting calendar showed.

That gives policymakers time to determine whether the latest data represent a durable trend.

If core inflation averages below approximately 0.2% over the two reports, the case for delaying an increase would strengthen. Readings closer to 0.25% would keep September finely balanced, while repeated results around 0.3% or higher would increase the likelihood of tighter policy.

One report is therefore unlikely to settle the debate completely. Wednesday’s release will instead establish the starting point for the final month of data before the September meeting.

Weak employment complicates the inflation decision

The Fed’s challenge is no longer limited to inflation.

Nonfarm payrolls unexpectedly declined by 23,000 in July, compared with economists’ expectations for a substantial increase. May and June employment gains were also revised lower by a combined 103,000 jobs.

The unemployment rate declined to 4.1%, but the improvement partly reflected a reduction in labor-force participation rather than stronger hiring. Participation fell to 61.4%, its lowest level since February 2021, according to US Bureau of Labor Statistics.

The report does not necessarily indicate that the economy has entered a severe downturn. Employment increased in healthcare, while weakness was concentrated partly in local government education and retail trade. Nevertheless, the data suggest that demand for workers has become less resilient.

That creates tension between the two sides of the Fed’s mandate. Higher rates could help contain inflation but might deepen the slowdown in hiring. Holding rates steady could protect employment but allow above-target inflation to become more entrenched.

The July CPI report will influence which risk policymakers consider more urgent.

Oil creates an additional timing problem

The renewed rise in crude prices adds another layer of uncertainty, but its full impact will not appear in Wednesday’s report.

July CPI covers prices observed before much of the latest oil advance associated with disruption in the Middle East and uncertainty surrounding the Strait of Hormuz. Gasoline prices declined during July, helping to restrain the expected headline reading.

August inflation could look materially different if higher crude costs persist.

Energy inflation initially reaches consumers through gasoline, diesel and electricity. A prolonged shock can then spread through aviation, freight, plastics, chemicals, food production and other energy-intensive industries.

This means the Fed must distinguish between a temporary increase in headline inflation and a broader cost shock that affects consumer expectations and corporate pricing.

Policymakers may be reluctant to raise rates solely in response to a brief geopolitical surge in oil. Monetary policy cannot create additional barrels of crude or reopen shipping routes. However, the Fed may respond if the energy shock begins influencing underlying inflation, wages or longer-term expectations.

A mild July CPI report would therefore provide relief, but it would not eliminate the risk created by higher August energy prices.

The most important components inside the report

Shelter will remain central to the inflation outlook because housing-related costs carry substantial weight in the CPI basket. June’s 0.1% monthly increase was unusually subdued. A similarly moderate July result would strengthen evidence that housing inflation is finally cooling more decisively.

Services excluding shelter also deserve attention. Persistent increases in medical care, insurance, recreation and other labor-intensive services could concern the Fed even if goods prices remain contained.

Goods inflation has recently been more volatile. Vehicle prices, apparel and household furnishings can respond to supply disruptions, tariffs, currency movements and changes in inventories. Renewed increases would weaken the argument that post-pandemic goods disinflation can continue offsetting services inflation.

Food prices may also attract greater attention. Global food costs reached their highest level in more than three years in July amid adverse weather and concerns about grain-export routes. Those international changes do not pass immediately or uniformly into US grocery prices, but sustained increases can eventually affect retail food inflation.

Investors should consequently avoid interpreting the report solely through the annual headline rate. A decline from 3.5% to 3.4% could coexist with an unfavorable monthly composition.

How markets could respond

A core monthly reading of approximately 0.2% would probably be interpreted as broadly supportive for equities and government bonds. It would reduce immediate pressure for a September increase while reinforcing expectations that underlying inflation is gradually moderating.

A result below 0.2% could push Treasury yields and the dollar lower while supporting technology and other growth stocks. Lower yields raise the present value of future corporate earnings and reduce borrowing costs across the economy.

A core reading of 0.3% would produce a less comfortable outcome. Markets would likely increase the probability of a September move, placing upward pressure on short-dated Treasury yields. Rate-sensitive shares, including technology, property and smaller companies dependent on external financing, could come under pressure.

A reading above 0.3%, particularly if accompanied by stronger shelter and services inflation, would raise the possibility that the Fed needs more than one increase. The resulting combination of higher yields, a stronger dollar and weaker growth expectations could weigh broadly on risk assets.

Energy shares may remain an exception if oil prices continue rising, although even producers could eventually be affected if tighter monetary policy damages global demand.

Implications for Asia and emerging markets

The US inflation report has consequences well beyond domestic monetary policy.

A hotter reading could lift Treasury yields and strengthen the dollar, placing pressure on Asian currencies and increasing financing costs for governments and companies with dollar-denominated obligations.

Regional central banks would then have less room to reduce interest rates, particularly in economies already facing higher imported energy costs. Countries dependent on oil and gas imports could experience simultaneous pressure from a stronger dollar and more expensive commodities.

Vietnam would be affected through exchange rates, fuel prices and global capital flows. Higher US yields could make dollar assets relatively more attractive, potentially creating pressure on the dong and limiting the State Bank of Vietnam’s monetary flexibility.

Domestic businesses with large fuel, freight or imported-input requirements could also face greater costs. Airlines, logistics companies, manufacturers and consumer businesses with limited pricing power would be particularly exposed.

Conversely, a softer US inflation report could reduce pressure on global yields and the dollar. That would create a more supportive environment for emerging-market currencies, foreign capital flows and rate-sensitive Asian equities.

What the CPI report can—and cannot—resolve

Wednesday’s data will be important because it arrives at the intersection of three competing forces: inflation remains above target, employment is weakening and the Middle East conflict threatens another energy shock.

A consensus-level result would give the Fed breathing room, but not a definitive answer. Policymakers would still need to examine August CPI, the next employment report, inflation expectations and the persistence of higher oil prices.

A hot report would be more consequential because it would confirm the concerns of officials already advocating rate increases. It could turn September from a close decision into the beginning of another tightening phase.

The most favorable outcome for markets would be subdued core inflation accompanied by continued moderation in shelter prices. That would allow the Fed to wait without appearing complacent about inflation.

The most difficult outcome would be accelerating core prices alongside further evidence of labor-market weakness. That combination would raise stagflation concerns and leave the central bank choosing between risks it cannot address simultaneously.

For investors, the crucial number is not simply whether annual CPI declines to 3.4%. The larger question is whether July provides evidence that underlying inflation is moving sustainably lower—or merely records a temporary pause before higher energy costs begin appearing in the data.

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