AutoZone’s fiscal Q1 2027 domestic same-store sales, due for release in December 2026, reflect mixed momentum following Q4 2026 results of +1.6% overall, with DIY down 0.6% amid transaction declines exceeding 5% that offset roughly 5% average ticket growth from mid-single-digit inflation. Management guided full-year FY2027 domestic comps flat to up low-single digits on ~4% ticket growth, citing continued consumer deferrals and trade-downs in the DIY segment alongside high-single to low-double-digit expansion in the commercial channel, which reached nearly 29% of sales. The closely bunched market-implied odds around the 0.5–3.5% range price in uncertainty over whether transaction trends moderate toward historical 1–3% declines or remain soft, with commercial share gains and inventory initiatives serving as key offsets.