Market Cap Chart

View Market Cap for EXTR.
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 1999. Start Trial.
Date Value
September 17, 2026 2.927B
September 16, 2026 2.872B
September 15, 2026 2.893B
September 14, 2026 2.838B
September 11, 2026 2.913B
September 10, 2026 2.779B
September 09, 2026 2.816B
September 08, 2026 2.841B
September 04, 2026 2.847B
September 03, 2026 2.872B
September 02, 2026 2.888B
September 01, 2026 2.858B
August 31, 2026 2.951B
August 28, 2026 2.963B
August 27, 2026 3.048B
August 26, 2026 2.997B
August 25, 2026 2.969B
August 24, 2026 2.937B
August 21, 2026 3.021B
August 20, 2026 2.929B
August 19, 2026 2.990B
August 18, 2026 3.116B
August 17, 2026 3.186B
August 14, 2026 3.203B
August 13, 2026 3.156B
Date Value
August 12, 2026 3.204B
August 11, 2026 3.136B
August 10, 2026 3.089B
August 07, 2026 3.145B
August 06, 2026 3.191B
August 05, 2026 3.437B
August 04, 2026 4.244B
August 03, 2026 3.934B
July 31, 2026 3.994B
July 30, 2026 3.954B
July 29, 2026 3.852B
July 28, 2026 3.974B
July 27, 2026 3.969B
July 24, 2026 3.908B
July 23, 2026 3.940B
July 22, 2026 4.011B
July 21, 2026 4.034B
July 20, 2026 4.012B
July 17, 2026 4.020B
July 16, 2026 3.944B
July 15, 2026 4.042B
July 14, 2026 4.376B
July 13, 2026 4.361B
July 10, 2026 4.467B
July 09, 2026 4.356B

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
Ciena Corp. 48.85B
Dell Technologies, Inc. 376.58B
ADTRAN Holdings, Inc. 576.48M
Cisco Systems, Inc. 435.01B
Arista Networks, Inc. 251.65B

Market Cap Related Metrics