TotalMarketCap

Ciena

CIENNYSE United StatesUtilitiesTelecommunications Equipment

Market cap

$63.781 B

$449.77 +5.60%

Close of 12 Oct 2026

As of 12 Oct 2026, Ciena (CIEN) has a market capitalization of $63.8B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$4.77B

#693 by revenue

Earnings

$123.3M

#1214 by earnings

Shares outstanding

141,808,525

Latest filing cover page

P/E ratio

517.1

Cap ÷ net income

Telecommunications Equipment, ranked by market cap

All 84 →
  1. #5LumentumLITE$99.9B
  2. #6America Movil Sab De CvAMX$64.2B
  3. #7CienaCIEN$63.8B
  4. #8Vodafone Group PublicVOD$36.0B
  5. #9Chunghwa TelecomCHT$35.7B

What if Ciena were worth as much as…

Open the what-if tool →

Gold $29.0T

$204,674.98

Per share 455× higher

Bitcoin $1.66T

$11,726.95

Per share 26.1× higher

Nvidia $5.53T

$38,965.56

Per share 86.6× higher

Or at a round number

$100.0B$200.0B$500.0B$1.00T

Where these numbers come from

Share counts and financials for Ciena are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 13 Oct 2026. Read the methodology.