Advance Auto Parts Beats Q2 EPS but Misses Revenue, Stock Slides 16% Amid FY Sales Guidance

AAP reported second-quarter results on August 20, 2026 that beat on earnings and missed on sales, and the market treated the composition of the beat as the story. Adjusted diluted earnings per share came in at $1.03 against a consensus near $0.81, roughly 28% above expectations, while revenue was flat year over year at $2.00 billion versus the $2.04 billion analysts modeled. The stock fell about 16% during Thursday's session.

The gap between the two reactions is explained by where the earnings came from. Approximately $0.31 of the $1.03 was attributable to tariff refunds, a non-operating item. Strip that out and the underlying result sits close to consensus rather than well above it, which is why a 28% EPS beat produced a double-digit decline instead of a rally. Gross margin did expand more than 250 basis points, so the operational turnaround is showing up, but on a flat top line.

Guidance reinforced the cautious read. Advance Auto Parts reaffirmed full-year net sales of $8.485 billion to $8.575 billion, a midpoint slightly below the consensus figure, with comparable store sales growth of 1% to 2%. Adjusted EPS guidance was raised to a wide $2.60 to $3.30 range. Flat sales alongside improving margin is the signature of a cost and mix story rather than a demand recovery, and the DIY auto parts market remains competitive on price.

What to watch: whether comparable store sales turn positive without further tariff-refund help, the durability of the 250-plus basis points of gross margin expansion once refunds annualize, and progress on store closures and supply chain consolidation as the operational drivers behind the margin line.

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