Seasonality Analysis

Costco Wholesale Corporation (COST) 10-Year Seasonality

Between 2016-08-06 and 2026-08-06, Mon had the strongest weekday average return for Costco Wholesale Corporation (0.13%), while Fri was the weakest (-0.00%). On the annual profile, Nov ranked best (6.48%) and Dec ranked worst (-1.52%).

Stock2016-08-06 → 2026-08-06Updated 2026-08-07
Prompt used in FactorBench
Show the 10-year seasonality of Costco Wholesale Corporation (COST). Include monthly averages and day-of-week averages.

Annual Seasonality (Average Monthly Return)

BucketAverage ReturnRelative StrengthSamples
Jan3.23%
10
Feb1.48%
10
Mar1.27%
10
Apr2.38%
10
May0.89%
10
Jun1.32%
10
Jul3.54%
10
Aug2.39%
11
Sep-1.11%
10
Oct0.76%
10
Nov6.48%
10
Dec-1.52%
10
StrongestNov (6.48%)
WeakestDec (-1.52%)

Weekday Seasonality (Average Daily Return)

BucketAverage ReturnRelative StrengthSamples
Mon0.13%
470
Tue0.11%
518
Wed0.09%
515
Thu0.10%
506
Fri-0.00%
504
StrongestMon (0.13%)
WeakestFri (-0.00%)