Market capitalization of Ciena (CIEN)

Market cap: HK$277.50 Billion

As of January 2026 Ciena has a market cap of HK$277.50 Billion. This makes Ciena the world's 688th 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 Ciena from 1997 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$277.50 B	4.62%
2025	HK$265.24 B	177.41%
2024	HK$95.61 B	87.8%
2023	HK$50.91 B	-13.88%
2022	HK$59.11 B	-36.4%
2021	HK$92.95 B	46.79%
2020	HK$63.32 B	23.64%
2019	HK$51.21 B	23.26%
2018	HK$41.55 B	76.86%
2017	HK$23.49 B	-11.58%
2016	HK$26.57 B	22.03%
2015	HK$21.77 B	35.19%
2014	HK$16.10 B	-16.3%
2013	HK$19.24 B	57.18%
2012	HK$12.24 B	33.7%
2011	HK$9.15 B	-40.62%
2010	HK$15.42 B	99.37%
2009	HK$7.73 B	65.04%
2008	HK$4.68 B	-79.7%
2007	HK$23.08 B	26.11%
2006	HK$18.30 B	36.85%
2005	HK$13.37 B	-9.87%
2004	HK$14.84 B	-38.4%
2003	HK$24.09 B	38.8%
2002	HK$17.35 B	-52.58%
2001	HK$36.60 B	-79.84%
2000	HK$181.57 B	194.14%
1999	HK$61.72 B	427.66%
1998	HK$11.69 B	-75.13%
1997	HK$47.03 B

End of Day market cap according to different sources

On Jan 30th, 2026 the market cap of Ciena was reported to be:

HK$277.36 Billion

by Nasdaq

HK$277.50 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Cisco CSCO	HK$2.417 T	771.22%	🇺🇸 USA
Juniper Networks JNPR	HK$104.36 B	-62.39%	🇺🇸 USA
Infinera INFN	HK$12.34 B	-95.55%	🇺🇸 USA
ADTRAN ADTN	HK$5.77 B	-97.92%	🇺🇸 USA
Calix CALX	HK$23.13 B	-91.66%	🇺🇸 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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