2026-06-06 · Finance · Accounting · Analytics · 7 min read
9 things a company's gross margin trend tells you that the headline EPS number hides
Earnings per share is a single number that travels through three layers of accounting choices before it reaches you. Gross margin — revenue minus cost of goods sold, divided by revenue — sits closer to the raw economics of the business. When gross margin moves in one direction while EPS moves in another, something is being managed. I'll show you 9 things that divergence reveals, using real companies and real numbers.
1. Pricing power — or the absence of it
A company that raises prices without losing volume will show expanding gross margin even when input costs rise. Apple's gross margin climbed from roughly 38% in 2020 to 46% in 2024 — not because manufacturing got cheaper, but because customers paid more per device without defecting. That is pricing power in the data. A company that holds EPS flat while gross margin compresses is doing the opposite: it is cutting costs below the gross line — R&D, marketing, headcount — to paper over a deteriorating core business. The headline number looks stable. The foundation is not.
2. Mix shift — the product the company is quietly selling more of
Gross margin is an average across every product and service a company sells. When the mix shifts toward higher-margin lines, overall margin expands — even if no individual product got more profitable. Microsoft's shift toward Azure and Office 365 subscriptions lifted its consolidated gross margin from 65% to above 70% between 2019 and 2024. The hardware and gaming segments dragged in the opposite direction. Reading the segment footnotes tells you which direction the mix is actually moving — and whether management is steering toward it or just benefiting from it temporarily.
3. Input cost pass-through — who is absorbing the inflation
When commodity prices spike, a company faces a choice: absorb the cost or pass it to customers. Gross margin tells you which one happened. During the 2021–2022 commodity surge, Procter & Gamble raised prices aggressively and held gross margin near 48%. Smaller consumer-goods competitors absorbed costs to protect volume, and their margins fell 4–6 percentage points. Both groups reported positive EPS. Only the gross margin line showed who was winning the inflation negotiation and who was quietly losing it.
This matters across jurisdictions. A manufacturer sourcing in USD and selling in Brazilian reais or Turkish lira faces a currency-amplified version of the same problem. Gross margin compression in those cases often precedes a formal earnings warning by two or three quarters.
4. Channel mix — direct versus distributor
Selling direct to the end customer almost always produces higher gross margin than selling through a distributor or retailer, because the middleman takes a cut. When a company shifts from wholesale to direct-to-consumer — as Nike has done deliberately since 2017 — gross margin expands structurally. Nike's gross margin rose from 44% to 46% over that period, partly from this channel shift. The reverse is also true: a company that quietly increases distributor reliance to hit a volume target will show gross margin erosion before it shows up anywhere else in the income statement.
5. Accounting choices inside cost of goods sold
Not every company draws the line between COGS and operating expenses in the same place. Some companies classify depreciation on manufacturing equipment inside COGS; others push it below the gross line into operating expenses. Some include stock-based compensation in COGS for engineering roles tied to product delivery; others exclude it entirely. This means comparing gross margins across companies in the same industry requires reading the accounting policy footnote — not just pulling the number from a data terminal.
A 5-percentage-point gross margin advantage that disappears once you standardize the COGS definition is not a competitive advantage. It is an accounting presentation choice. Practitioners adjust for this before drawing any conclusion.
6. Warranty and returns — the cost that arrives late
Under accrual accounting, a company records an estimated warranty liability at the time of sale. If that estimate is too low — deliberately or through poor forecasting — gross margin looks better in the current period and worse in a future period when actual claims arrive. Hardware companies and automakers are especially exposed to this. Tesla's warranty accrual rates have been scrutinized repeatedly because the vehicles are new enough that long-run failure rates carry genuine uncertainty. A gross margin that consistently beats peers in a capital-intensive product category is worth stress-testing against warranty reserve adequacy before you trust it.
7. Gross margin versus operating margin divergence — where the money is going
When gross margin expands but operating margin stays flat or compresses, the company is spending the incremental gross profit on something below the line — usually R&D, sales and marketing, or administrative overhead. That is not automatically bad. Amazon spent years in exactly this position: expanding e-commerce gross margins fed into AWS infrastructure investment, which eventually produced the highest-margin segment in the company. The question is whether the below-the-line spending is building a future asset or simply covering structural cost bloat. The gross-to-operating margin gap is the first place to look for the answer.
8. Sequential versus year-over-year — the trend that matters more
Annual gross margin comparisons smooth out seasonality. Sequential quarter-over-quarter comparisons expose it — and expose something else: the early signal of a structural shift. A retailer whose gross margin compresses in Q4 (its strongest season) is sending a different signal than one whose margin compresses in Q2. Semiconductor companies like TSMC and Samsung report gross margins that move sharply with utilization rates. A sequential gross margin decline in a period of flat or rising revenue tells you that fixed manufacturing costs are being spread over fewer wafers — a leading indicator of a demand slowdown that the annual comparison will obscure for another two quarters.
9. The gross margin floor — what the business cannot go below
Every business has a gross margin floor: the point below which it cannot cover fixed operating costs and remain solvent. For a software-as-a-service company with 70% gross margin, that floor is far away. For a grocery retailer operating at 25%, it is close. Understanding where the floor is — and how far current margins sit above it — tells you how much operating leverage the business has and how much cushion it carries into a downturn.
The practical exercise: take the company's total fixed operating expenses (from the income statement and footnotes), divide by revenue, and subtract from current gross margin. The remainder is the buffer. A company with a 30% gross margin and 28% fixed operating cost ratio has a 2-point buffer. A 10% revenue decline eliminates it entirely. That arithmetic is not complicated. It is just rarely run.
What You’ll Learn
- How to read gross margin trends across segments, channels, and geographies — not just at the consolidated level
- Which accounting choices inside COGS distort comparisons between companies in the same industry
- How to calculate the gross margin floor and what it tells you about downside risk
- Why gross margin and EPS can move in opposite directions — and what that divergence signals
- How to use sequential margin data to spot demand slowdowns before they appear in annual figures
A Note on What This Course Is — and Isn’t
We don’t pursue CE accreditation. The courses are pure education, not credentialing.
Nothing in this course constitutes personalized financial, legal, or investment advice. You’ll learn frameworks and analytical tools — what you do with them is your decision.
We use AI heavily and we’re transparent about it.
$189 per course. $504 for the bundle of three.
100% refund within 3 days of enrollment AND zero module access. Accessing any module — even briefly — waives the right to a refund permanently. Decisions are final; no appeals.
Instructor: Kareem — DBA International Business · MS Applied Economics & Predictive Analytics · MBA Finance & Accounting · Series 65 · university-level instructor since 2014.
— Dr. Kareem Tannous