Market Cap Chart

View Market Cap for POWI.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Market Cap Data

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Date Value
August 24, 2026 2.967B
August 21, 2026 3.078B
August 20, 2026 3.059B
August 19, 2026 3.112B
August 18, 2026 3.268B
August 17, 2026 3.464B
August 14, 2026 3.500B
August 13, 2026 3.476B
August 12, 2026 3.561B
August 11, 2026 3.529B
August 10, 2026 3.457B
August 07, 2026 3.603B
August 06, 2026 3.290B
August 05, 2026 3.456B
August 04, 2026 3.602B
August 03, 2026 3.358B
July 31, 2026 3.375B
July 30, 2026 3.384B
July 29, 2026 3.145B
July 28, 2026 3.292B
July 27, 2026 3.526B
July 24, 2026 3.528B
July 23, 2026 3.940B
July 22, 2026 4.030B
July 21, 2026 4.136B
Date Value
July 20, 2026 3.956B
July 17, 2026 3.917B
July 16, 2026 3.883B
July 15, 2026 3.949B
July 14, 2026 3.934B
July 13, 2026 3.861B
July 10, 2026 4.007B
July 09, 2026 3.938B
July 08, 2026 3.695B
July 07, 2026 3.716B
July 06, 2026 4.062B
July 02, 2026 4.058B
July 01, 2026 4.463B
June 30, 2026 4.657B
June 29, 2026 4.390B
June 26, 2026 4.413B
June 25, 2026 4.715B
June 24, 2026 4.551B
June 23, 2026 4.480B
June 22, 2026 4.857B
June 18, 2026 4.843B
June 17, 2026 4.489B
June 16, 2026 4.411B
June 15, 2026 4.632B
June 12, 2026 4.358B

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.

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Market Cap Range, Past 5 Years

View Market Cap Range, Past 5 Years
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