NASDAQ$COST
Costco Wholesale Corp · Q3 2026 earnings
Q3 2026 earnings · · After market close · Investor relations
Briefing
Costco Wholesale Corp reported strong Q3 2026 results with double-digit sales growth and higher earnings.
Net sales rose 11.6% to $69.15 billion for the 12 weeks ended May 10, 2026. Net income increased to $2.19 billion or $4.93 per diluted share. Comparable sales grew 9.8% excluding gasoline and FX impacts, with e-commerce up 21.5%.
- Net sales increased 11.6% year-over-year to $69.15 billion.
- Diluted EPS rose to $4.93 from $4.28 last year.
- Total company comparable sales grew 9.8% excluding gas and FX.
- E-commerce comparable sales increased 21.5%.
Headline financials
Revenue & EPS history
Costco · Revenue · Quarterly
$70.5B
Forward guidance
The company issued standard forward-looking statements highlighting risks including economic conditions, competition, and geopolitical factors.
Historical earnings impact
How earnings announcements have historically affected this stock's price.
Avg. return before/after earnings
Based on 19 quarterly earnings reports · overlaid with Q3 2026
-0.1%
Avg return
Earnings day
-0.2%
Avg return
5 days after
+1.3%
Avg return
30 days after
56%
40 / 72 earnings
Positive
+7.0%
Q3 2022
Best reaction
-9.1%
Q1 2019
Worst reaction
| Quarter | Report date | Reaction (Day 0) | +5 days | +30 days |
|---|---|---|---|---|
| Q3 2026 | +1.6% | -3.0% | — | |
| Q2 2026 | +2.1% | +1.0% | +3.3% | |
| Q1 2026 | -2.0% | -2.5% | +4.6% | |
| Q4 2025 | -2.2% | -2.8% | -1.2% | |
| Q3 2025 | +3.1% | +4.3% | -2.3% | |
| Q2 2025 | -6.1% | -9.7% | -10.7% | |
| Q1 2025 | -0.5% | -1.3% | -5.8% | |
| Q4 2024 | -2.5% | -3.4% | -1.9% | |
| Q3 2024 | +0.4% | +2.6% | +5.4% | |
| Q2 2024 | -6.2% | -4.7% | -7.7% | |
| Q1 2024 | +2.6% | +5.6% | +6.4% | |
| Q4 2023 | +0.9% | +1.1% | -2.0% | |
| Q3 2023 | +5.1% | +5.2% | +8.6% | |
| Q2 2023 | -0.7% | +1.4% | +3.8% | |
| Q1 2023 | +0.2% | +1.3% | +0.2% | |
| Q4 2022 | -5.4% | -3.0% | -3.0% | |
| Q3 2022 | +7.0% | +5.9% | +10.1% | |
| Q2 2022 | -0.5% | -0.9% | +9.0% | |
| Q1 2022 | +5.4% | +2.9% | +1.1% | |
| Q4 2021 | +3.4% | -1.1% | +6.6% | |
| Q3 2021 | -1.9% | -1.9% | +2.3% | |
| Q2 2021 | -2.0% | -1.6% | +9.6% | |
| Q1 2021 | +0.2% | -0.6% | -1.2% | |
| Q4 2020 | -0.6% | +2.2% | +8.7% | |
| Q3 2020 | +0.8% | +0.4% | -3.1% | |
| Q2 2020 | -2.9% | -3.5% | -10.0% | |
| Q1 2020 | -1.2% | +0.1% | +0.7% | |
| Q4 2019 | +2.3% | +2.4% | +3.9% | |
| Q3 2019 | -0.5% | +2.0% | +9.8% | |
| Q2 2019 | +3.9% | +6.3% | +12.2% | |
| Q1 2019 | -9.1% | -10.9% | -7.6% | |
| Q4 2018 | -6.2% | -3.9% | -1.3% | |
| Q3 2018 | -1.3% | -0.9% | +4.7% | |
| Q2 2018 | -3.0% | -1.1% | -3.9% | |
| Q1 2018 | +2.4% | +0.0% | +1.9% | |
| Q4 2017 | -4.9% | -5.0% | +0.7% | |
| Q3 2017 | +2.8% | +3.4% | -9.2% | |
| Q2 2017 | -4.3% | -6.1% | -5.7% | |
| Q1 2017 | +4.4% | +6.2% | +7.8% | |
| Q4 2016 | +2.1% | +0.7% | +0.2% | |
| Q3 2016 | +5.0% | +4.6% | +9.1% | |
| Q2 2016 | +0.7% | — | — | |
| Q1 2016 | -4.4% | — | — | |
| Q4 2015 | +0.7% | — | — | |
| Q3 2015 | +0.7% | — | — | |
| Q2 2015 | +1.6% | — | — | |
| Q1 2015 | -1.1% | — | — | |
| Q4 2014 | +2.5% | — | — | |
| Q3 2014 | +1.6% | — | — | |
| Q2 2014 | -2.6% | — | — | |
| Q1 2014 | -1.5% | — | — | |
| Q4 2013 | +3.1% | — | — | |
| Q3 2013 | -2.9% | — | — | |
| Q2 2013 | +1.0% | — | — | |
| Q1 2013 | -0.5% | — | — | |
| Q4 2012 | -1.3% | — | — | |
| Q3 2012 | +1.4% | — | — | |
| Q2 2012 | +1.0% | — | — | |
| Q1 2012 | -3.5% | — | — | |
| Q4 2011 | +0.8% | — | — | |
| Q3 2011 | -0.8% | — | — | |
| Q2 2011 | +1.3% | — | — | |
| Q1 2011 | +1.1% | — | — | |
| Q4 2008 | -2.3% | — | — | |
| Q4 2010 | -2.3% | — | — | |
| Q3 2009 | +0.2% | — | — | |
| Q3 2010 | +0.2% | — | — | |
| Q2 2010 | +0.6% | — | — | |
| Q2 2009 | +0.6% | — | — | |
| Q4 2009 | +2.5% | — | — | |
| Q1 2010 | +2.5% | — | — | |
| Q1 2009 | +2.5% | — | — |
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