Ocean Power Technologies (OPTT) - Market capitalization

Market cap: £0.4 Million

As of September 2026 Ocean Power Technologies has a market cap of £0.4 Million. This makes Ocean Power Technologies the world's 11230th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Ocean Power Technologies from 2007 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£0.4 M	-99.18%
2025	£49.88 M	-10.09%
2024	£55.48 M	280.52%
2023	£14.58 M	-29.91%
2022	£20.8 M	-66.04%
2021	£61.26 M	0.79%
2020	£60.78 M	1111.6%
2019	£5.01 M	-1.42%
2018	£5.08 M	-65.77%
2017	£14.86 M	-1.64%
2016	£15.11 M	481.39%
2015	£2.59 M	-64.69%
2014	£7.36 M	-47.99%
2013	£14.15 M	2.84%
2012	£13.76 M	-22.78%
2011	£17.82 M	-53.83%
2010	£38.6 M	-32.1%
2009	£56.84 M	21.98%
2008	£46.6 M	-44.13%
2007	£83.41 M

End of Day market cap according to different sources

On Sep 20th, 2026 the market cap of Ocean Power Technologies was reported to be:

£14.18 Million

by Nasdaq

£0.4 Million

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Lockheed Martin LMT	£91.93 B	22,533,979.37%	🇺🇸 USA
General Electric GE	£243.52 B	59,689,941.96%	🇺🇸 USA
Woodward WWD	£14.18 B	3,477,494.20%	🇺🇸 USA
Broadwind BWEN	£75.44 M	18,391.79%	🇺🇸 USA
Capstone Green Energy CGRN	£5.07 M	1,142.71%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Ocean Power Technologies (OPTT)

Market cap: £0.4 Million