TotalMarketCap

Ciena

CIENNYSE United StatesUtilitiesTelecommunications Equipment

Market cap

$32.644 B

$230.20 -15.44%

Close of 6 Nov 2026

As of 6 Nov 2026, Ciena (CIEN) has a market capitalization of $32.6B. 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

#692 by revenue

Earnings

$123.3M

#1211 by earnings

Shares outstanding

141,808,525

Latest filing cover page

P/E ratio

264.7

Cap ÷ net income

Telecommunications Equipment, ranked by market cap

All 84 →
  1. #7Chunghwa TelecomCHT$37.9B
  2. #8Vodafone Group PublicVOD$36.9B
  3. #9CienaCIEN$32.6B
  4. #10EchoStarECHO$26.2B
  5. #11BceBCE$20.5B

What if Ciena were worth as much as…

Open the what-if tool →

Gold $28.2T

$199,119.72

Per share 865× higher

Bitcoin $1.53T

$10,774.02

Per share 46.8× higher

Apple $5.02T

$35,370.11

Per share 154× higher

Or at a round number

$50.0B$100.0B$200.0B$500.0B

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. Read the methodology.