AutoZone just closed out Q4 2026 with earnings that landed harder than the share price move suggests. The stock slipped about 1.5% to roughly US$3,143 into the first full trading day after the release, a move that reads more like a shrug than a verdict.
The headline is simple. Q4 revenue came in at about US$6.6b and basic earnings per share printed near US$57, while trailing net profit margin over the last year sat around 12.6%. The real story for investors is the strain behind those profits, with high debt and negative shareholders' equity raising tougher questions than a 1 day dip in the stock implies.
Like the earnings power at AutoZone but uneasy about the heavy debt load and negative equity story behind it? Filter for retailers with stronger balance sheets and consistent profitability using the list of solid balance sheet and fundamentals stocks (24 results)
Q4 2026 Earnings Summary
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Revenue, Q4 2026 vs. Q4 2025:US$6,594.9m vs. US$6,242.7m (up about 5.6%)
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Net Income, Q4 2026 vs. Q4 2025:US$931.6m vs. US$837.0m (higher year on year)
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Basic EPS, Q4 2026 vs. Q4 2025:US$57.17 vs. US$50.02 (up roughly 14%)
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Same Store Sales Growth, trailing 12 months to Q4 2026 vs. trailing 12 months to Q4 2025:3.2% vs. 3.9% (slower comparable sales growth)
Earnings tell you how AutoZone did on paper in Q4, but the cash flowing through the business is what many valuation focused investors watch most closely.
On AutoZone's cash generation alone, with discounted cash flows in mind, the stock could be a slight 10% undervalued .
AutoZone's Growth Story Meets the Scorecard
AutoZone pitches new stores and Mega Hubs as a high return growth engine that justifies heavy reinvestment.
"A store now assumes $1.7 million in first-year sales, ramping to $2.7 million by year six, against an average investment of $2.9 million, a path management says produces roughly 15% ROIC by year four and north of 20% by year six."
Q4 results show that narrative is partially matching outcomes. Management opened 175 locations, including 16 Mega Hubs, and tied roughly 2,000 commercial programs to the hub network. These programs sell about 16% more than other programs. Commercial sales rose 8.6% in Q4 and about 11% for the year, which supports the claim that these store economics are already pulling through in the commercial channel.
AutoZone Cost Creep And DIY Weakness Under The Microscope
The other side of the story is that growth spending and softer DIY trends could erode the quality of those earnings for AutoZone.
"Asked directly whether SG&A would need to re-accelerate, the CFO was unambiguous on the prior call: "We don't anticipate a re-acceleration in SG&A."
The latest quarter shows that promise did not hold. Operating expenses grew 8.9%, SG&A deleveraged 101 basis points and per store SG&A returned to 4% growth, the fastest pace of the year. Domestic DIY comps moved into decline and traffic fell more than 5%, with ticket growth doing the heavy lifting. Those data points suggest the bear case on expense control and DIY softness is clearly visible in the current numbers.
The price and this Narrative do not agree. → Uncover what this Narrative says AutoZone is actually worth .
Hunt For Mispriced Earnings Power
AutoZone illustrates how strong earnings can still leave investors debating balance sheet strength. The real opportunity sits in finding stocks that could be undervalued before sentiment shifts.
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Company 1 - 42% below our estimate - build out solar trackers, controls and storage hardware that project developers adopt after grid connections progress.
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Company 2 - 18% below our estimate - ramp capacity for advanced data center optics as customers direct networking budgets into dense photonics modules.
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Company 3 - 19% below our estimate - scale franchised teahouses and membership programs as new outlets channel more volume through the owned supply platform.
That is three of the list. See all 29 potentially undervalued companies →
This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
Companies discussed in this article include AZO .
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