CHARGED ALPHATMFrontier AI stock research

CIEN · NYSE

Ciena Corporation

Communication Equipment · United States

USD 348.801.3% daily changeQuote 2026-09-18 · USD
Market cap (USD)
US$49.46B
Trailing P/E
78.21x
Forward P/E
29.57x
Quarterly revenue growth
37.0%
Trailing net margin
10.9%
Indicated dividend yield

Snapshot 2026-09-20 · Latest financial period 2026-08-01 · Yahoo Finance. Quotes may be delayed; reporting periods can differ.

Company background

Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments. The Networking Platforms segment consists optical networking, routing, and switching products and services. This segment products include the 6500 Packet-Optical Platform, Waveserver modular interconnect system, the 6500 Reconfigurable Line System, and coherent pluggable transceivers; and the 3000 family of service delivery platforms and the 5000 family of service aggregation, as well as the 8100 Coherent Routing platforms and virtualization software. The Platform Software and Services segment offers navigator network control suite; and software subscription services, consulting, network migration and integration, installation and upgrade support services, and technical support solutions. The Blue Planet Automation Software and Services segment inventory management, orchestration, route optimization and analysis, and unified assurance and analytics software; and sells subscription, installation, support, consulting, and design services related to the Blue Planet automation platform. The Global Services segment provides services for advisory and enablement, implementation, and maintenance, support, and learning activities. Ciena Corporation was incorporated in 1992 and is headquartered in Fulton, Maryland.

Company website

Q3 FY2026

Go beyond the headline.

CIEN Stock: A $2.9B Zero-Coupon Bond Funded This Margin Tripling — Q3… — Animated Studio Edition

Published 2026-09-08

Comparable businesses

CIEN peer comparison

Same business group first, then company size. Preferred market cap: 0.5–2x; extended range: one-third–3x. Outside that range, industry benchmarks are labeled separately and excluded from peer medians.

Comparison stocks

Market metrics · missing or inapplicable values shown as —
MetricCIENCiena CorporationSnapshot 2026-09-20Financial period: 2026-08-01ERICTelefonaktiebolaget LM Ericsson (publ)Snapshot 2026-09-20Financial period: 2026-06-30UIUbiquiti Inc.Snapshot 2026-09-20Financial period: 2026-06-30Peer medianSimilar-size peers only
Market capMarket value, converted to USDUS$49.46BUS$33.19BUS$35.68BUS$34.44Bn=2
Forward P/EProvider forward earnings estimate29.57x16.30x30.11x23.21xn=2
EV / EBITDAEnterprise value / trailing EBITDA48.87x29.18x
Revenue growthLatest quarter vs prior-year quarter37.0%-6.1%23.5%8.7%n=2
Operating marginLatest reported quarter18.1%0.0%36.3%18.1%n=2
Free cash flow yieldTrailing cash flow / market cap1.3%2.0%
Net debt / EBITDANet debt / trailing EBITDA0.64x-0.44x
Debt / equityTotal debt / positive book equity1.07x0.38x0.06x0.22xn=2
Trailing P/ETrailing twelve-month earnings78.21x13.56x37.17x25.36xn=2
Price / bookPrice / positive book equity per share16.19x0.33x29.68x15.00xn=2
EV / salesEnterprise value / trailing revenue8.32x10.73x
Earnings growthLatest quarter vs prior-year quarter422.9%-10.9%6.8%-2.0%n=2
Gross marginTrailing twelve months44.1%48.1%46.2%47.1%n=2
Net marginTrailing twelve months10.9%10.8%29.3%20.1%n=2
Return on equityProvider trailing return; positive equity only22.4%26.1%91.1%58.6%n=2
Free cash flow marginTrailing free cash flow / revenue10.5%21.7%
Dividend yieldIndicated annual dividend / price3.1%0.7%1.9%n=2
Earnings payoutProvider trailing dividend payout0.0%40.3%20.2%30.2%n=2
Current ratioCurrent assets / current liabilities3.80x1.12x2.93x2.02xn=2
BetaProvider historical market sensitivity1.310.511.320.91n=2

Choose a comparison stock

Search covered companies, or search all listed stocks.

Comparison methodology & limitations

Reviewed operating groups override broad sector classifications. Other companies are matched only within a sufficiently specific provider industry. Business mix, geography and accounting standards can still differ. Market caps are converted to USD using exchange rates captured during the snapshot refresh. Financial ratios that would mix currencies are omitted. Snapshots must be at most 14 days old and no more than seven days apart for automatic selection.

Peer medians require at least two valid similar-size peers for each metric. Negative earnings, nonpositive equity, missing data and irrelevant bank ratios are not presented as attractive valuations. A higher or lower number is not automatically a better investment. Financial statement periods are not calendar-aligned across companies.

Reported performance

Financial trends

Reporting period
Financial history
Chart style
Comparison stocks

Financial statements load separately from the research page.

Market context

Valuation & price history

Adjusted closing price

Price history

Price history loads separately.

Earnings-multiple scenario

Illustrative price = your earnings-per-share assumption × your P/E assumption. This is not a price target or a complete valuation model.

Starting assumptions, when available, use provider forward estimates as of 2026-09-20. Negative earnings require a different valuation method. This calculation omits balance-sheet, dilution and execution risks.

THE RESEARCH RECORD

Research history for CIEN

All available reporting periods
Q3 FY20262026-09-08
Q2 FY20262026-06-06

CIEN Stock: Revenue +4% Beat Q2 FY2026

Presentation · 2026-06-06 · YouTube

Reported figures

Verify material figures against company filings. Market data and AI-assisted analysis may contain errors.