Professional Seasonal Analysis for Trading

Costco Wholesale Corp. (COST)

Seasonality Analysis

Stocks 27 Years Analyzed

Costco Wholesale Corp. Annual Seasonality Statistics

13.70%
Avg Annual Return
57.6%
Avg Monthly Win Rate
10/12
Positive Months
27
Years Analyzed

Costco Wholesale Corp. Monthly Seasonality Performance

Month Avg Return Win Rate Strength
January 1.33%
56%
Moderate
February -0.10%
52%
Weak
March 0.98%
44%
Weak
April 1.46%
67%
Moderate
May WORST -0.27%
58%
Weak
June 1.23%
54%
Moderate
July 1.29%
62%
Moderate
August 0.01%
54%
Moderate
September 0.73%
54%
Moderate
October BEST 3.37%
62%
Strong
November 3.25%
81%
Very Strong
December 0.41%
50%
Weak

Costco Wholesale Corp. 2026 vs Historical Pattern

Current Position
72.37
Historical Avg Position
36.86
Deviation
+35.5
Performance
Significantly Above Average

Costco Wholesale Corp. Interactive Seasonality Chart

Interactive Seasonality Chart

Unlock the full interactive seasonality chart for COST with overlay patterns, custom date ranges, and more.

Create Free Account

Costco Wholesale Corp. Pattern Scanner

Pattern Scanner

Discover recurring patterns, anomalies, and statistically frequent setups.

Create Free Account

Costco Wholesale Corp. Seasonal Historical Performance

Historical Performance

See historical average returns for COST across multiple timeframes.

Create Free Account

About Costco Wholesale Corp. (COST) Seasonality

Costco Wholesale Corp. (COST) has been analyzed using 27 years of historical data to identify seasonal patterns. Classified under Stocks, Costco Wholesale Corp. shows distinct seasonal tendencies based on historical data.

The strongest month for Costco Wholesale Corp. is historically October, with an average return of 3.37% and a win rate of 62%. Conversely, May tends to be the weakest month, averaging -0.27% return.

Looking at the full calendar year, Costco Wholesale Corp. has an average annual return of 13.70% with an overall monthly win rate of 57.6%. Out of 12 months, 10 typically show positive average returns.

The seasonal pattern for Costco Wholesale Corp. has a consistency score of 44.1 (Poor), based on 27 years of data. Higher consistency means the seasonal pattern has been more reliable across different market conditions.

Costco Wholesale Corp. Seasonality FAQ

What is the best month to buy Costco Wholesale Corp. (COST)?

Historically, October has been the best month for Costco Wholesale Corp., with an average return of 3.37% and a win rate of 62%. However, past performance does not guarantee future results.

What is the worst month for Costco Wholesale Corp. (COST)?

Based on historical data, May has been the weakest month for Costco Wholesale Corp., with an average return of -0.27%. This is a historical observation and does not guarantee future results.

How reliable is COST seasonality data?

The seasonality analysis for Costco Wholesale Corp. is based on 27 years of historical price data. While seasonal patterns can provide useful insights, they should be combined with other forms of analysis. Past patterns do not guarantee future performance.

How can I use Costco Wholesale Corp. seasonality in my trading?

Use Costco Wholesale Corp. (COST) seasonality as one factor in your analysis. Identify historically strong and weak months, combine with other research methods. SeasOptima provides premium tools including interactive charts, pattern scanning, and historical performance data for deeper analysis.

More Stocks Seasonality Analysis

Statistical information based on historical data. Does not constitute investment advice or recommendation. Past performance does not guarantee future results.