Market Cap Chart

View Market Cap for PLUG.
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
August 21, 2026 3.171B
August 20, 2026 3.073B
August 19, 2026 3.143B
August 18, 2026 3.017B
August 17, 2026 3.185B
August 14, 2026 3.241B
August 13, 2026 3.213B
August 12, 2026 3.199B
August 11, 2026 3.101B
August 10, 2026 2.947B
August 07, 2026 3.045B
August 06, 2026 2.892B
August 05, 2026 2.929B
August 04, 2026 3.012B
August 03, 2026 2.901B
July 31, 2026 2.873B
July 30, 2026 2.915B
July 29, 2026 2.650B
July 28, 2026 2.734B
July 27, 2026 2.873B
July 24, 2026 2.915B
July 23, 2026 3.054B
July 22, 2026 3.110B
July 21, 2026 3.166B
July 20, 2026 2.971B
Date Value
July 17, 2026 3.026B
July 16, 2026 2.999B
July 15, 2026 3.082B
July 14, 2026 3.166B
July 13, 2026 3.026B
July 10, 2026 3.110B
July 09, 2026 3.319B
July 08, 2026 3.431B
July 07, 2026 3.459B
July 06, 2026 3.682B
July 02, 2026 3.682B
July 01, 2026 3.682B
June 30, 2026 3.780B
June 29, 2026 3.612B
June 26, 2026 3.542B
June 25, 2026 3.584B
June 24, 2026 3.640B
June 23, 2026 3.780B
June 22, 2026 3.891B
June 18, 2026 3.975B
June 17, 2026 3.696B
June 16, 2026 3.780B
June 15, 2026 3.905B
June 12, 2026 3.849B
June 11, 2026 3.947B

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

PS Ratio 3.897
Price to Book Value 5.223
Price 2.175
Earnings Yield -56.62%