Market Cap Chart

View Market Cap for CMCSA.
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 22, 2026 79.51B
September 21, 2026 81.32B
September 18, 2026 80.65B
September 17, 2026 81.25B
September 16, 2026 84.16B
September 15, 2026 86.60B
September 14, 2026 88.23B
September 11, 2026 89.37B
September 10, 2026 89.26B
September 09, 2026 87.21B
September 08, 2026 93.38B
September 04, 2026 93.94B
September 03, 2026 94.51B
September 02, 2026 95.08B
September 01, 2026 93.27B
August 31, 2026 94.41B
August 28, 2026 95.97B
August 27, 2026 93.66B
August 26, 2026 96.46B
August 25, 2026 96.11B
August 24, 2026 95.82B
August 21, 2026 95.22B
August 20, 2026 93.70B
August 19, 2026 94.30B
August 18, 2026 92.92B
Date Value
August 17, 2026 90.68B
August 14, 2026 92.84B
August 13, 2026 92.84B
August 12, 2026 90.33B
August 11, 2026 90.97B
August 10, 2026 89.37B
August 07, 2026 89.94B
August 06, 2026 89.26B
August 05, 2026 87.77B
August 04, 2026 88.41B
August 03, 2026 87.10B
July 31, 2026 84.97B
July 30, 2026 83.94B
July 29, 2026 87.28B
July 28, 2026 85.79B
July 27, 2026 80.86B
July 24, 2026 79.07B
July 23, 2026 77.74B
July 22, 2026 83.41B
July 21, 2026 84.44B
July 20, 2026 84.33B
July 17, 2026 84.37B
July 16, 2026 85.47B
July 15, 2026 83.31B
July 14, 2026 82.24B

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

Market Cap Related Metrics