Valuation -- 6/10

AZO trades at a meaningful discount to O Reilly (ORLY), its closest operational comp, on both trailing and forward P/E -- reflecting ORLY superior margin profile and growth consistency. At ~21x forward earnings, AZO is not cheap for a low-single-digit organic grower, but the buyback provides a 5-7% annual EPS tailwind on top of operational growth. Consensus FY26E EPS of ~$153 implies ~7% growth, accelerating to ~$182-186 in FY27E (~18-21% growth) as LIFO charges roll off and the investment cycle matures. The risk/reward is balanced -- not alarming, but enough moving parts to warrant close monitoring. Weight: 15%
Forward P/E
21.1x
vs ORLY ~28-30x
Trailing P/E
23.8x
vs ORLY ~33-37x
EPS (TTM)
$142.91
FY26E ~$153, FY27E ~$182-186
Adj. Debt/EBITDAR
2.5x
vs ORLY ~2.2x, GPC ~2.8x
Peer valuation comparison
Company Market Cap Trailing P/E Fwd P/E Adj. Debt/EBITDAR
AutoZone (AZO) $56B 23.8x 21.1x 2.5x
O Reilly (ORLY) ~$75B ~33-37x ~28-30x ~2.2x
Genuine Parts (GPC) ~$22B ~20x ~15x ~2.8x
Advance Auto Parts (AAP) ~$5B ~26x ~18x ~4x+
Key Takeaway AZO trades at a meaningful discount to ORLY on both trailing and forward P/E, justified by ORLY superior margin and growth consistency. Premium to GPC and AAP is warranted given AZO superior SSS execution and buyback-driven EPS compounding.
Peer multiples are approximate and based on consensus estimates. AZO data as of April 2026. Data sourced from Daloopa and public filings.

Quarterly EPS and same-store sales trend
Period (Cal.) Fiscal Qtr Diluted EPS Domestic SSS Net Income ($M) Total Debt ($B)
Q1 2024 FY24 Q2 $28.89 +0.3% $515 $8.6
Q2 2024 FY24 Q3 $36.69 flat $652 $8.5
Q3 2024 FY24 Q4 $51.58 +0.2% $902 $9.0
Q4 2024 FY25 Q1 $32.52 +0.3% $565 $9.0
Q1 2025 FY25 Q2 $28.29 +1.9% $488 $9.1
Q2 2025 FY25 Q3 $35.36 +5.0% $608 $8.9
Q3 2025 FY25 Q4 $48.71 +4.8% $837 $8.8
Q4 2025 FY26 Q1 $31.04 +4.8% $531 $8.6
Q1 2026 FY26 Q2 $27.63 +3.4% $469 $8.9
EPS declined YoY in FY26 Q1 and Q2, driven by non-cash LIFO charges (~$98M in Q1, ~$59M in Q2) and SG&A deleverage from accelerated store openings. Excluding LIFO, EPS would have been up ~7% in FY26 Q2. Data sourced from Daloopa.

Key catalysts (2026-2028)
# Catalyst Timeline Magnitude Probability
1 LIFO charge roll-off FY27 (CY late 2026) High Medium-High
$277M expected FY26 vs $64M FY25; once tariff-driven cost inflation laps, gross margin and EPS normalization could add $10-12/share to EPS.
2 Mega Hub maturation FY27-FY28 Medium-High High
142 open, targeting 300; stores outperforming pro forma; accelerating commercial growth and parts availability.
3 SG&A leverage inflection FY27-FY28 Medium High
Investments peaking ("middle innings"); new stores maturing in 4-5 years; SG&A per store growth already decelerating (3.9% in Q2 vs 5.8% in Q1). 18-19% OP margin target reaffirmed.
4 Aging vehicle fleet Ongoing Medium Very High
Average US vehicle age at record 12.8+ years; new/used car affordability crisis keeps older vehicles on the road longer.
5 Commercial (DIFM) share gains CY2026-2027 Medium-High High
9.8% growth in Q2 (12%+ ex-weather); 94% of stores now with commercial programs; national + local account wins.
6 Share buyback engine Ongoing Medium Very High
~5-7% annual share reduction; repurchased more than 100% of outstanding shares since 1998 inception; $1.4B remaining authorization.
7 Tax refund season / deferred maintenance Spring-Summer 2026 Low-Medium Medium
8 International acceleration FY26-FY28 Medium Medium
1,065 stores (14% of base); Brazil DC opened Dec 2025; Mexico peso tailwind (+12% YoY).

Key risks (bear case)
# Risk Severity Probability Detail
1 Tariff escalation on Chinese auto parts HIGH Medium-High 232 tariffs already in effect; IEPA stayed but could resume; ~25-50% tariff on imported aftermarket parts; LIFO charges already $277M for FY26.
2 Negative equity / leverage model MED-HIGH Medium Equity negative $4.75B; net debt ~$8.9B; buybacks consistently exceed FCF (~163% of FCF in FY24); interest coverage ~7.6x adequate but limited buffer.
3 DIY traffic declines MEDIUM Medium Traffic down 3.5-3.6% in both FY26 Q1 and Q2; ticket growth masking volume weakness; elasticity risk if inflation peaks.
4 Investment cycle margin pressure MEDIUM Medium-High SG&A deleverage of ~1.5-2 pts from store acceleration; CapEx ~$1.6B/yr through FY28; FCF generation pressured ($15M in Q2 vs $291M prior year).
5 EV fleet transition (long-dated) LOW-MED Low near-term EVs require fewer replacement parts; 2030 EV penetration forecasts range 11-63% of new sales; fleet turnover takes 15-20+ years to impact.
6 Commercial competitive intensity MEDIUM Medium ORLY also aggressively expanding commercial; market share battle could compress pricing power or require ongoing investment spending.
7 Mexico macro softness LOW-MED Medium International SSS only +2.5% CC despite 14% of store base; Mexican economy in slowdown; further peso depreciation risk.
8 Valuation multiple compression MEDIUM Medium At 21x forward, stock pricing in successful execution; any stumble in commercial growth or LIFO surprise could re-rate downward; stock already -22% from 52-week high.

Score rationale

Score of 6/10 reflects a company with a fundamentally strong competitive position and multiple identifiable catalysts, offset by meaningful near-term earnings headwinds (LIFO charges, SG&A deleverage, traffic declines), elevated leverage funding aggressive buybacks, and longer-dated structural risks from tariffs and EV penetration.

Why not higher (7-8): At ~21x forward, AZO is not cheap for a low-single-digit organic grower. LIFO charges are a real cash-on-cash headwind from tariffs ($277M in FY26 vs $64M FY25), not just accounting noise. The negative equity balance sheet ($-4.75B) is structurally aggressive; any credit market disruption would be painful. DIY traffic is persistently negative (-3.5%), meaning the company is growing on price, not volume. FCF generation is under pressure ($15M in Q2) from elevated CapEx and working capital, and buybacks are debt-funded.

Why not lower (4-5): Catalysts are concrete and near-term -- LIFO roll-off, Mega Hub maturation, and SG&A leverage all have clear line of sight to FY27 EPS acceleration. The aging fleet (12.8+ years) is a durable secular tailwind. The buyback machine provides a reliable 5-7% annual EPS floor. Management execution has been strong with stores outperforming pro formas. Valuation is reasonable vs. history and at a significant discount to ORLY. Consensus FY27E EPS of ~$182-186 implies 18-21% growth as headwinds fade.

Net assessment: AZO is a high-quality compounder in a temporarily messy period (investment cycle + tariff-driven LIFO charges). The catalysts for FY27-28 are visible and credible. However, the leverage model, traffic declines, and tariff uncertainty are real concerns that prevent this from scoring higher. A score of 6 reflects manageable risks with credible catalysts, but enough near-term noise to warrant careful position sizing.

Data sourced from Daloopa, company earnings transcripts (FY26 Q1 and Q2), and public consensus estimates. Analysis as of April 2026.