Inflation Is Retreating From the Store — But 'Biggest Bills' Holdouts Now Decide Sector Margins insight cover
Markets / EventHCA · THC · AZO•13 min read

Inflation Is Retreating From the Store — But 'Biggest Bills' Holdouts Now Decide Sector Margins

About60% of the CPI basket still prints above 3% — and almost all of those line items live in four sectors with inelastic demand: hospitals, auto parts, apartments, and utilities. The investor read is that consumer-margin dispersion in 2027 will be decided less by the Fed and more by who can pass through these 'biggest bills' without losing volume.

Published Oct 18, 2026Updated Oct 18, 2026

Headline CPI, YoY

3.7%

September 2026, BLS release Oct 14, 2026

Core CPI, YoY

2.6%

Excluding food and energy, September 2026

Hospital services CPI, YoY

+5.6%

12 months ending Sep 2026, unadjusted

Motor vehicle maintenance & repair CPI, YoY

+5.8%

12 months ending Sep 2026, per Macrotrends

Headline consumer inflation cooled to 3.7% in September from 3.4% over the summer, and core inflation slipped to 2.6%. That headline-print story, however, hides the dispersion that's actually moving equity margins. The October 18 Yahoo Finance analysis of the same BLS data concluded that the categories still rising faster than 3% over the past six months — electricity, rent, hospital services, and car repairs — make up at least 60% of the basket by weight. That share is concentrated in sectors whose demand is highly inelastic, which is precisely the structure that turns cost-push into margin protection for the listed names inside them.

Headline CPI, YoY

3.7%

September 2026, BLS release Oct 14, 2026

Core CPI, YoY

2.6%

Excluding food and energy, September 2026

Hospital services CPI, YoY

+5.6%

12 months ending Sep 2026, unadjusted

Motor vehicle maintenance & repair CPI, YoY

+5.8%

12 months ending Sep 2026, per Macrotrends

Electricity CPI, YoY

+4.4%

12 months ending Sep 2026, BLS

Shelter CPI, YoY

+3.2%

OER +3.3%, rent +2.8%, Sep 2026

Why These Four Categories Are the Real Holdouts

Goods deflation did most of the work pulling the September print down: groceries rose less than 2% over the year and apparel was mixed. The persistence lives in the services block, and inside that block in the most inelastic line items. A consumer can trade a sweater for a different sweater, or skip a restaurant meal — they cannot easily shop around for an emergency room, an alternator before a road trip, a working furnace, or the rent on a lease they signed twelve months ago.

Roughly 60% of the CPI basket by weight still rises faster than 3% YoY, and almost all of that weight sits in services where consumers cannot easily substitute away — which turns cost-push inflation straight into operator margin for the listed names inside those categories.
September 2026 CPI — selected categories, 12-month change
CategoryYoY %Mechanism
Hospital services+5.6%Insurer pass-through, regulatory floors
Motor vehicle maintenance & repair+5.8%Parts monopoly + safety-critical demand
Piped (utility) gas service+5.0%Regulated rate base pass-through
Electricity+4.4%Regulated rate base + AI load growth
Shelter (composite)+3.2%OER +3.3%, rent +2.8%
Motor vehicle insurance−5.0%Re-rating after2023–24 spike; not a holdout
Grocery (food at home)<2%Competitive, elastic supply chain

Hospital Services: The Pricing Power Hardwired Into US Healthcare

HCA Healthcare and Tenet Healthcare are the two clearest large-cap beneficiaries. The CPI hospital services line ran +5.6% YoY in September, more than double the core rate, because hospital price increases are negotiated against insurers and pass through with little friction. HCA's second-quarter 2026 results, filed July 24, 2026, show revenue of $20.23 billion, up 8.7% YoY, with operating margin of 15.2% and diluted EPS of $7.59. HCA has used that pricing lever to compound revenue at high single digits even as labor costs have stayed elevated.

HCA Healthcare grew Q2 2026 revenue 8.7% YoY to $20.2B while holding a 15.2% operating margin — proof that hospital price increases pass through into earnings, not just the CPI basket.

Tenet Healthcare is the cheaper expression of the same lever. Its TTM operating margin ran 16.8% with a 14.0% free-cash-flow yield and a P/E near 10.5x, well inside HCA's ~15.4x. Tenet also owns USPI, the largest ambulatory surgery network in the US, which lets it capture outpatient pricing as procedures continue shifting out of inpatient settings. Both names are exposed to the same inelastic demand curve: medical care is non-discretionary, capacity is local, and pricing is administered rather than auctioned.

Car Repairs: Parts Pricing Power Plus Safety-Critical Demand

Motor vehicle maintenance and repair rose 5.8% YoY in September 2026, the highest print of any goods-and-services line item in the table above. That is not a single-supplier story — it is the result of a parts oligopoly selling into demand that drivers cannot defer.

  • AutoZone ran a 52.3% gross margin and 18.3% EBIT margin on TTM revenue of $20.3B, funding the commercial installer channel that captures the labor share on top of the parts sale.
  • O'Reilly Automotive carried a 51.6% gross margin and 19.6% EBIT margin on TTM revenue of $18.6B, with a 28.3x P/E that prices in continued category share gain against Genuine Parts.
  • Both retailers earn the parts margin plus the installer margin indirectly, because their commercial programs are the supply backbone for the independent garages that perform the actual repair work.
Car repairs are the cleanest example of inelastic demand in the goods sector — drivers cannot defer a brake job or an alternator — and parts retailers have turned that inelasticity into 50%+ gross margins.

Rent: The Holdout That Has Already Eaten Into Affordability

Rent of primary residence rose 2.8% YoY in September 2026, and owners' equivalent rent rose 3.3%. Both are still well above the pre-pandemic norm of roughly 2.5%, and both feed directly into the multifamily REIT top line. The question for investors is no longer whether rents are sticky — they are — but whether operating expense growth, especially insurance and property taxes, leaves any of that rent growth at the NOI line.

AvalonBay Communities, Equity Residential, Camden Property Trust, and Mid-America Apartment Communities all run high-barrier coastal or Sun Belt portfolios where new supply has been throttled by rates. Their pricing power is real but it has been increasingly tested by insurance and utility expense inflation — the same 'biggest bills' that show up in the CPI holdouts. The dispersion within the apartment REIT space will come from operators who can lock in insurance and electricity costs versus those exposed to spot markets.

Electricity: The Quietest Holdout With the Longest Tail

Electricity rose 4.4% YoY and piped gas service rose 5.0% in September 2026, per the BLS release. Those rates are administered: utilities file rate cases, recover prudently incurred costs, and earn a regulated return on a rate base that grows with capital spending. The inflation cycle, in other words, is asset-cover for the regulated utility equity story.

NextEra Energy carries the largest US regulated rate base (FPL) plus the largest renewable generation portfolio in the country, which lets it arbitrage fuel-cost pass-through against long-dated contracted renewables. Southern Company is a pure-play regulated electric utility with a generation mix tilted toward nuclear and gas, both of which insulate margins from the kind of fuel-price spikes that have driven the energy index +20.4% YoY in2026. Both names convert the electricity holdout into a regulated earnings stream with limited volume risk.

Electricity inflation runs at +4.4% YoY because rate cases pass costs through to customers — turning the holdout directly into rate-base earnings growth for regulated utilities.

The Counter-Trade: Where Pricing Power Has Broken

The flip side of the holdout map is where pricing power has actually weakened. Motor vehicle insurance ran −5.0% YoY in September 2026 — a real deflation, not a measurement artifact — because the post-pandemic premium hikes have fully cycled through and competition has returned. Grocery inflation ran below 2% over the past year. Apparel is mixed but highly competitive. These are the categories where consumer-staples and consumer-discretionary names are still fighting for share rather than passing through.

Allstate is the cleanest example of an operator straddling both worlds: its auto insurance book has been deflating, while its homeowners book has seen regulator-approved rate increases averaging +45.8% nationally from 2020 through 2025, per Lendingtree's analysis. That dispersion inside one company mirrors the broader CPI dispersion and is part of why Allstate's P/E has compressed to ~5x despite a19% net margin and a 1.7% dividend yield. The dispersion trade is not about buying or selling 'inflation'; it is about buying the operators whose specific category is on the inelastic side of the divide.

Short-Term Catalysts and Long-Term Structure

Near-term, the next CPI release is scheduled for November 10, 2026, and will show whether the 'biggest bills' holdouts persist or finally roll over. Watch hospital services and electricity especially — those are the two lines where insurer or regulator pushback is most likely to compress price growth in 2027. If either moves below 3%, the dispersion trade narrows and the relative margin advantage of HCA, THC, NEE, and SO compresses.

Long-term, three structural forces keep the holdouts in place: an aging population that consumes more healthcare per capita, a housing stock that is supply-constrained in the metros where the listed apartment REITs operate, and an electricity grid that is absorbing data-center load growth from the AI buildout. Those are not cyclical forces. They are demographic, geographic, and capital-spending drivers that should keep hospital, rent, and electricity price growth above the core rate for years — and keep pricing power concentrated in the listed names that already control capacity inside those categories.

Stocks That Capture the 'Biggest Bills' Pricing Power

HHCA HealthcareHCA--
--Vol --
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Bullish
  • Hospital services CPI ran +5.6% YoY in Sep 2026; HCA converted that pricing into Q2 revenue of $20.23B (+8.7% YoY, filed Jul 24, 2026).
  • Operating margin held at 15.2% in Q2 2026 despite labor cost pressure, validating hospital pricing power versus peer categories.
  • P/E of 15.4x prices in single-digit revenue growth; any persistence of hospital CPI above 5% into 2027 extends the compounding window.
  • Horizon: short-term re-rate if October CPI (Nov 10 release) confirms hospital services >5%; long-term demographic tailwind as inpatient volumes rise with an aging population.
TTenet HealthcareTHC--
--Vol --
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Bullish
  • TTM operating margin of 16.8% on the same +5.6% hospital CPI backdrop, with P/E near 10.5x — the cheapest expression of hospital pricing power.
  • USPI ambulatory surgery network captures outpatient pricing as procedures shift out of inpatient settings, widening the margin runway.
  • FCF yield of ~14% provides downside cushion if the November CPI print softens the holdout thesis.
  • Horizon: short-term earnings beat on Q3 (Oct 28 release); long-term scale advantage in ASCs as outpatient share of hospital revenue keeps climbing.
AAutoZoneAZO--
--Vol --
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Bullish
  • Motor vehicle maintenance and repair CPI ran +5.8% YoY in Sep 2026, the highest line item in the basket — AZO captures parts plus installer supply.
  • TTM gross margin of 52.3% on $20.3B revenue shows the parts pricing lever is intact despite competitive retail.
  • Commercial program locks in installer relationships, so even if retail comps soften, the commercial channel compounds.
  • Horizon: short-term comp tailwind in Q1 FY2027 (Feb release) as winter repair demand hits; long-term tailwind from an aging US vehicle fleet that needs more maintenance per mile.
OO'Reilly AutomotiveORLY--
--Vol --
-
Bullish
  • TTM gross margin of 51.6% on $18.6B revenue with 19.6% EBIT margin confirms ORLY captures the same 5.8% car-repair CPI print AZO does.
  • P/E of 28.3x prices in continued share gain versus Genuine Parts; relative multiple has compressed recently, opening a re-rating window.
  • Professional installer channel represents the larger share of revenue, insulating ORLY from DIY cyclicality.
  • Horizon: short-term Q3 earnings (Oct release) the next catalyst; long-term advantage as the commercial installer base consolidates around two suppliers.
AAvalonBay CommunitiesAVB--
--Vol --
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Bullish
  • OER and rent both ran above pre-pandemic norms in Sep 2026 (+3.3% and +2.8% YoY), keeping the rent holdout intact for AVB's coastal portfolio.
  • P/E of 25.3x with a 3.8% dividend yield prices in normalized rent growth; any persistence of CPI rent above 3% supports the multiple.
  • Insurance and utility expense inflation is a margin headwind — the dispersion within apartment REITs comes from operators with locked-in coverage.
  • Horizon: short-term Q3 earnings (Oct release) the test of same-store NOI growth versus expense growth; long-term urban housing shortage keeps the inelastic demand floor.
EEquity ResidentialEQR--
--Vol --
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Bullish
  • Urban-coastal apartment portfolio benefits from the same +2.8% rent CPI as AVB, with similar exposure to the 'biggest bills' holdout dynamic.
  • Same-store occupancy has historically stayed above 96% in the coastal markets EQR dominates, validating pricing power even at the top of the cycle.
  • Forward P/E near 21x and dividend yield near 4% make EQR the highest-quality income expression of the rent holdout.
  • Horizon: short-term Q3 earnings (late Oct) the next read on renewal spreads; long-term constrained urban housing supply keeps rent CPI elevated versus the broader basket.
NNextEra EnergyNEE--
--Vol --
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Bullish
  • Electricity CPI of +4.4% YoY feeds directly into FPL's regulated rate base — NextEra's largest segment by earnings.
  • LTM revenue of $28.7B with 71.8% gross margin shows the regulated pass-through mechanic working through reported financials.
  • Renewables development pipeline captures AI data-center load growth, extending the rate-base growth runway beyond traditional regulated recovery.
  • Horizon: short-term Q3 earnings (Oct release) the catalyst for the next leg; long-term AI electricity demand keeps the electricity holdout structural, not cyclical.
SSouthern CompanySO--
--Vol --
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Bullish
  • Piped gas service at +5.0% YoY and electricity at +4.4% YoY both flow through SO's regulated rate base across Georgia, Alabama, and Mississippi.
  • Nuclear-heavy generation mix (Plant Vogtle) insulates margins from the fuel-price spikes that have driven the energy index +20.4% YoY.
  • Forward P/E near 18x with a 3.0% dividend yield prices in steady regulated earnings growth, not aggressive re-rating.
  • Horizon: short-term Q3 earnings (Oct release) the read on rate-case progress; long-term data-center load growth in the Southeast adds a new regulated demand source.