HomeCiena (CIEN) Market Cap

Ciena (CIEN) Market Cap

Track the latest market capitalisation and see how the company's value has changed over time.

Ciena's market cap October 2026

As of 21 October 2026, Ciena's market cap was $48.09B

This places Ciena among the largest companies by market capitalisation.

Market cap (market capitalisation) is the total value of a company's shares on the stock market – calculated by multiplying the number of outstanding shares by its current share price.

Fiscal year-end CIEN market cap

The table below shows Ciena's fiscal year-end market capitalisation, providing a reference point for its valuation aligned with its financial reporting periods. This helps illustrate how the company's market value has evolved across different years of operation.

Date	Ciena market cap (USD)	Change (%)
November 2025	$26.79B	+189.96%
November 2024	$9.24B	+52.35%
October 2023	$6.06B	-15.16%
October 2022	$7.15B	N/A

Market capitalisation of similar companies

The table below shows other leading companies in the same sector include RingCentral, CommScope, Lumen Technologies, and Vodafone Group PLC - ADR.

Name	Market Capitalization
RingCentral	$7.05B
CommScope	$1.33B
Lumen Technologies	$4.56B
Vodafone Group PLC - ADR	$37.76B

Data is sourced from public company disclosures, including SEC filings and EDGAR. It is provided for informational purposes only and does not constitute investment advice or a recommendation to trade. Figures are believed to be accurate at the stated dates but may change without notice.

Past performance is not a reliable indicator of future results. Share prices are indicative and may differ from live market prices.

FAQ

What is Ciena's current market cap?

As of 21 October 2026, Ciena's market capitalisation is approximately $48.09B. However, it's important to note that market cap values fluctuate daily based on share price movements.

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