Market Cap Chart

View Market Cap for COST.
Upgrade now.
Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
View Market Cap Chart
Start Trial

Historical Market Cap Data

View and export this data back to 1990. Start Trial.
Date Value
September 01, 2026 416.89B
August 31, 2026 418.63B
August 28, 2026 419.33B
August 27, 2026 414.53B
August 26, 2026 424.05B
August 25, 2026 425.78B
August 24, 2026 430.83B
August 21, 2026 420.34B
August 20, 2026 414.02B
August 19, 2026 424.44B
August 18, 2026 426.37B
August 17, 2026 422.89B
August 14, 2026 426.26B
August 13, 2026 426.59B
August 12, 2026 421.15B
August 11, 2026 418.82B
August 10, 2026 422.56B
August 07, 2026 420.37B
August 06, 2026 420.96B
August 05, 2026 417.79B
August 04, 2026 420.38B
August 03, 2026 423.15B
July 31, 2026 422.18B
July 30, 2026 423.19B
July 29, 2026 432.00B
Date Value
July 28, 2026 428.69B
July 27, 2026 422.04B
July 24, 2026 414.70B
July 23, 2026 410.72B
July 22, 2026 411.27B
July 21, 2026 412.12B
July 20, 2026 415.04B
July 17, 2026 417.29B
July 16, 2026 419.37B
July 15, 2026 406.50B
July 14, 2026 408.81B
July 13, 2026 410.88B
July 10, 2026 406.37B
July 09, 2026 404.91B
July 08, 2026 422.73B
July 07, 2026 420.23B
July 06, 2026 421.45B
July 02, 2026 422.08B
July 01, 2026 410.10B
June 30, 2026 414.89B
June 29, 2026 419.87B
June 26, 2026 422.46B
June 25, 2026 417.90B
June 24, 2026 426.26B
June 23, 2026 424.74B

Market Capitalization Definition

Market Capitalization measures the total value of a company based on their stock price multiplied by the shares outstanding. This metric is important because it gives you an idea of the size of a company, and how the size has changed over time. When studying companies from a relative basis, it would make sense to compare companies that have a similar market capitalization because factors like market share, economies of scale, and business models would also be similar.

Read full definition.

Market Cap Range, Past 5 Years

View Market Cap Range, Past 5 Years
Start Trial
--
Minimum
--
Maximum
--
Average
--
Median

Market Cap Benchmarks

View Market Cap Benchmarks
Start Trial
Target Corp. 74.20B
Walmart, Inc. 842.29B
Dollar Tree, Inc. 24.76B
Dollar General Corp. 28.89B
PriceSmart, Inc. 5.311B

Market Cap Related Metrics