Seasolyze

Seasonal Evaluation for Costco Wholesale Corporation (COST)

The following tables show quarterly and semi-annual reports.

In the quarterly breakdown, the first through fourth quarters correspond to spring, summer, fall, and winter, respectively.
Detailed definitions for the semi-annual periods are provided in the table headers.

Quarterly Seasonality for
Costco Wholesale Corporation (COST)
Overview 1st Quarter
Jan. - Mar.
2nd Quarter
Apr. - Jun.
3rd Quarter
Jul. - Sep.
4th Quarter
Oct. - Dec.
Success Rate 70.00% 70.00% 75.00% 75.00%
Median Return 1.69% 5.08% 4.91% 4.97%
Average Return 4.21% 7.29% 6.99% 7.00%
Maximum Gain 18.87% 16.02% 23.15% 26.34%
Gain Year 2019 2024 2009 2021
Maximum Loss -11.77% -16.77% -13.04% -19.14%
Loss Year 2009 2022 2006 2008
Based on the past 20 years (2006-2025)

Half-Year Seasonality for
Costco Wholesale Corporation (COST)
Overview Winter Season
Oct. - Mar.
Summer Season
Apr. - Sep.
First HY
Jan. - Jun.
Second HY
Jul. - Dec.
Success Rate 72.50% 72.50% 70.00% 75.00%
Median Return 3.35% 4.91% 4.42% 4.95%
Average Return 5.48% 7.13% 5.54% 6.99%
Maximum Gain 26.34% 23.15% 18.87% 26.34%
Gain Year 2021 2009 2019 2021
Maximum Loss -19.14% -16.77% -16.77% -19.14%
Loss Year 2008 2022 2022 2008
Based on the past 20 years (2006-2025)