Costco Beats Q3 2026 Earnings and Revenue Estimates, But Stock Slips After Hours
By TrendSpider Editor
COST market update based on latest earnings data.
Costco Beats Q3 2026 Earnings and Revenue Estimates, But Stock Slips After Hours
Costco Wholesale Corporation reported Q3 2026 earnings per share of $4.93 after the close on Friday, May 29, topping the consensus estimate of $4.92 by $0.01, a 0.2% EPS surprise, while revenue of $70.53 billion cleared the $69.48 billion estimate by 1.51%. Despite the headline beat on both the top and bottom lines, shares edged lower by 0.82% in after-hours trading to $995.42, sitting in the middle of the stock's 52-week range of $844.06 to $1,096.50.Key Drivers of the COST Stock Move
- Main Catalyst: Costco posted Q3 2026 EPS of $4.93, beating estimates by $0.01, alongside revenue of $70.53 billion that exceeded expectations by roughly $1.05 billion. Earnings grew 15.19% year over year while revenue expanded 11.58% compared to the same period last year.
- Bull Case: Double-digit growth on both the top and bottom lines demonstrates that Costco's membership-driven model continues to generate durable, compounding demand. Revenue growth of 11.58% and earnings growth of 15.19% reflect solid operating leverage, and the 1.51% revenue surprise suggests the business is outpacing what analysts had modeled heading into the print.
- Bear Case: The EPS surprise of just 0.2% over estimates is razor thin, leaving little room to excite investors who may have expected a larger beat after a strong run toward the 52-week high of $1,096.50. The immediate post-earnings reaction, a decline of 0.82%, suggests the results were largely priced in at current levels near $995.42.
COST Seasonality
Costco's fiscal third quarter, which covers the February through May window, historically benefits from elevated warehouse traffic tied to spring shopping patterns and renewal cycles. A strong Q3 print in this seasonal context adds credibility to the revenue beat and may support continued membership growth heading into the summer quarter.COST Relative Performance
With COST currently at $995.42 and down 0.82% in after-hours trade following the earnings release, the stock is underperforming on the session relative to what a double-digit earnings growth report might typically generate. The stock remains well above its 52-week low of $844.06, reflecting a roughly 18% recovery from that trough, but it still sits about 9.2% off the 52-week peak of $1,096.50, suggesting the broader large-cap consumer staples complex has yet to fully re-rate Costco back to its recent highs despite the continued fundamental strength on display in Q3 2026.More on COST
- Costco Crushes Q4 2026 Estimates with EPS of $6.75, Shares Jump Nearly 3% After Hours
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- Costco Stock Sees Unusual $1.93 Million Put Bet as Shares Sit Near Midpoint of 52-Week Range
- Costco Options Traders Split Bullish and Bearish as COST Drifts Near 52-Week Lows
- Costco Stock Faces Bearish Pressure as $1.3M in Unusual Put Activity Hits the Tape
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