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- Wall Street consensus pegs COST Q4 EPS at $6.48, up 10.4% from $5.87 a year earlier, on revenue of $94.85B, a 10% year-over-year gain from $86.16B.
- The Federal Reserve raised its benchmark 25 basis points to 3.75%-4.00% on September 16 - its first increase since 2023 - with projections pointing to at least one additional hike before year-end.
- Membership fee revenue surged 14% in Q3 FY2026 to $1.33B, reinforcing the subscription model's durability at 92.2% renewal rates.
Costco (COST) reports Q4 FY2026 results September 24, with $6.48 EPS and $94.85B revenue expected as the Fed's latest rate hike stresses holiday consumers.
Lead
Costco Wholesale will release fiscal Q4 2026 earnings after the close on Thursday, September 24, eight days after the Federal Reserve delivered its first rate increase since 2023, lifting interest rates to a 3.75%-4.00% target range. The consensus pegs quarterly earnings per share at $6.48, up 10.4% from $5.87 in the year-ago period, on revenue of $94.85 billion, a 10% gain over the prior-year quarter's $86.16 billion. With the FOMC's median projection for end-2026 now at 4.1% - implying at least one more quarter-point hike - Costco's print stands as the week's most direct stress test of whether the bulk-channel American consumer is holding firm before the holiday season begins.What Is Wall Street Watching in This Report?
Three metrics dominate the pre-earnings focus. Comparable-store sales are the centerpiece: last quarter Costco posted 9.8% company-wide comps, or 6.6% excluding gasoline and foreign-exchange effects, a demanding baseline heading into Q4. Second is membership renewal health - Costco raised annual fees for the first time in seven years in Q1 FY2026, and the last reported renewal rate of 92.2% will be re-benchmarked for any post-hike attrition. Third is gross margin trajectory: elevated freight and fuel costs have pressured merchandise margins across the fiscal year, and a continued mix shift toward lower-margin groceries and household essentials - already visible in Q3 - will test whether membership income can offset the compression.
Membership Engine: Costco's Rate-Cycle Buffer
Costco's subscription model functions as the structural buffer that most separates its earnings profile from traditional large-format retail. Fee revenue reached $1.33 billion in Q3 FY2026, up 14% year-over-year, flowing almost entirely to operating income. Total Q3 revenue including fees rose to $70.53 billion, with operating income gaining 11.3% to $2.815 billion. The fee increase absorbed in Q1 has passed through without visible damage to renewal rates, a finding that carries specific weight as the rate environment tightens household discretionary budgets heading into October. A renewal rate sustained near 92% signals pricing power that few large-format retailers can credibly claim in the current macro backdrop.Why Does This Report Define the Consumer Outlook Into the Holidays?
The September 16 rate decision adds directly to variable borrowing costs, trimming the disposable-income cushion for consumers who will begin holiday shopping within six weeks of Thursday's report. The Fed's own projections signal interest rates could reach 4.1% by December, their highest level since the pre-2008 easing era. Yet Costco's value architecture - warehouse-scale unit pricing, a curated SKU count, and a membership gate that self-selects for committed shoppers - positions the company as a structural beneficiary of consumer belt-tightening rather than a casualty of it. The Q3 data already confirmed a migration from discretionary goods toward essentials, a trend that lifts Costco's traffic even as it compresses the merchandise mix margin. Management guidance on forward traffic, average transaction values, and e-commerce attachment will be analyzed closely for any signal that even the bulk-channel household is beginning to rein in spending.
Outlook
COST shares traded near $895 ahead of the report, down roughly 18% from the May 2026 all-time closing high of $1,092.58, as the market repriced the consumer sector against a Fed that resumed tightening. A Q4 beat on EPS and comparable sales would reassert the warehouse model's counter-cyclical credentials and could catalyze a partial recovery in the stock. A miss - particularly one paired with guidance reflecting softening traffic or membership attrition - would amplify concern across the consumer sector and carry read-through for Walmart (WMT) and other large-format retailers heading into the most consequential spending quarter of the year. Either outcome arrives as the definitive early-autumn data point on whether the bulk American household has begun to buckle under an aggressive rate path.