Stock price history for Ciena (CIEN)

Highest end of day price: £844.55 GBp on 2000-10-20

Lowest end of day price: £4.11 GBp on 2009-02-23

Stock price history of Ciena from 1997 to 2025

Stock price for similar companies or competitors

Company	Stock price	Change 1d%	Country
Infinera INFN	£5.30	0.00%	🇺🇸 USA
ADTRAN ADTN	£7.02	4.44%	🇺🇸 USA
Juniper Networks JNPR	£30.49	0.88%	🇺🇸 USA
Calix CALX	£27.36	-2.78%	🇺🇸 USA
Cisco CSCO	£47.69	-0.17%	🇺🇸 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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