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Ciena Corp. (CIEN) Fundamental Analysis & AI Grade 2026

CIEN NYSE Telephone & Telegraph Apparatus MD CIK: 0000936395
Recently Updated • Analysis: Jun 6, 2026 • SEC Data: 2026-05-02
Combined AI Grade
A
78% Confidence
STRONG AGREEMENT
A
78% Conf
A
78% Conf

📊 CIEN Key Takeaways

Revenue: $3.0B
Net Margin: 12.3%
Free Cash Flow: $372.4M
Current Ratio: 2.73x
Debt/Equity: 0.53x
EPS: $2.52
AI Grade: A with 78% confidence
Ciena Corp. (CIEN) receives a A fundamental grade with 78% confidence from our AI analysis based on SEC 10-K filings. With revenue of $3.0B, net profit margin of 12.3%, and return on equity (ROE) of 12.7%, Ciena Corp. demonstrates strong fundamentals in the Telecom sector. Below is our complete CIEN stock analysis for 2026.

Is Ciena Corp. (CIEN) a Good Investment?

Claude

Ciena demonstrates strong operational leverage with 18.8% revenue growth accompanied by 46.9% net income growth, supported by 43.9% gross margins and robust $372.4M free cash flow generation. Excellent balance sheet strength (2.73x current ratio, 0.53x debt-to-equity, $1.0B cash) provides financial flexibility and downside protection. Primary concern is sustainability of net income growth rate relative to revenue growth, requiring monitoring of margin expansion drivers.

ChatGPT

Ciena shows strong near-term fundamental momentum, with double-digit revenue growth, faster net income growth, and solid free cash flow generation. Profitability is healthy for its industry and liquidity is strong, though returns on capital remain moderate and leverage still warrants monitoring.

Ciena Corp. Key Strengths (CIEN)

Claude
  • + Strong organic growth: 18.8% revenue increase with superior net income growth of 46.9% YoY demonstrating operational leverage
  • + Exceptional liquidity position: Current ratio of 2.73x and quick ratio of 2.11x with $1.0B cash reserves
  • + Conservative leverage: Debt-to-equity of 0.53x with 9.0x interest coverage ratio provides financial flexibility
  • + Robust cash conversion: $372.4M free cash flow (12.4% FCF margin) indicates high-quality earnings
  • + Healthy profitability: 43.9% gross margin, 14.3% operating margin, and 12.3% net margin across the board
ChatGPT
  • + Revenue growth of 18.8% YoY with net income and diluted EPS growing about 47% indicates improving operating leverage and strong execution
  • + Gross margin of 43.8%, operating margin of 13.3%, and free cash flow margin of 10.8% support good earnings quality and cash conversion
  • + Balance sheet liquidity is strong, with $1.12B in cash, a 2.81x current ratio, and a 2.14x quick ratio

CIEN Stock Risks: Ciena Corp. Investment Risks

Claude
  • ! Disproportionate earnings growth: 46.9% net income growth vs 18.8% revenue growth raises sustainability concerns about margin expansion durability
  • ! Sector cyclicality: Telecom equipment industry dependent on customer capital expenditure cycles and potential demand volatility
  • ! Modest capital efficiency: ROE of 12.7% and ROA of 6.1% suggest room for improvement in asset utilization and shareholder returns
  • ! Operating leverage exposure: Sharp downside risk to net income if revenue growth decelerates given the demonstrated earnings sensitivity
  • ! Insider activity concentration: 32 Form 4 filings in 90 days warrant investigation into transaction nature (aggregation of small trades vs concentrated positions)
ChatGPT
  • ! ROE of 5.4% and ROA of 2.6% suggest the business is not yet generating especially strong returns on its asset and equity base
  • ! Interest coverage of 4.0x and long-term debt of $1.52B leave less room if operating conditions weaken
  • ! Growth quality should be watched to ensure recent profit expansion is sustained and not driven by short-term mix, timing, or demand concentration

Key Metrics to Watch

Claude
  • * Quarterly gross margin sustainability and operating margin trends relative to revenue growth
  • * Free cash flow conversion rate and working capital efficiency
  • * Customer concentration and major contract pipeline visibility
  • * Debt-to-equity ratio trajectory and capital allocation priorities
  • * Year-over-year revenue growth rate deceleration and net income sensitivity analysis
ChatGPT
  • * Operating margin and free cash flow margin
  • * Interest coverage and return on equity

Ciena Corp. (CIEN) Financial Metrics & Key Ratios

Revenue
$3.0B
Net Income
$368.5M
EPS (Diluted)
$2.52
Free Cash Flow
$372.4M
Total Assets
$6.0B
Cash Position
$1.0B

💡 AI Analyst Insight

Strong liquidity with a 2.73x current ratio provides a solid financial cushion.

CIEN Profit Margin, ROE & Profitability Analysis

Gross Margin 43.9%
Operating Margin 14.3%
Net Margin 12.3%
ROE 12.7%
ROA 6.1%
FCF Margin 12.4%

CIEN vs Telecom Sector: How Ciena Corp. Compares

How Ciena Corp. compares to Telecom sector averages

Net Margin
CIEN 12.3%
vs
Sector Avg 14.0%
CIEN Sector
ROE
CIEN 12.7%
vs
Sector Avg 15.0%
CIEN Sector
Current Ratio
CIEN 2.7x
vs
Sector Avg 1.0x
CIEN Sector
Debt/Equity
CIEN 0.5x
vs
Sector Avg 1.2x
CIEN Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Ciena Corp. Stock Overvalued? CIEN Valuation Analysis 2026

Based on fundamental analysis, Ciena Corp. has mixed fundamental signals relative to the Telecom sector in 2026.

Return on Equity
12.7%
Sector avg: 15%
Net Profit Margin
12.3%
Sector avg: 14%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.53x
Sector avg: 1.2x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Ciena Corp. Balance Sheet: CIEN Debt, Cash & Liquidity

Current Ratio
2.73x
Quick Ratio
2.11x
Debt/Equity
0.53x
Debt/Assets
52.1%
Interest Coverage
8.97x
Long-term Debt
$1.5B

CIEN Revenue & Earnings Growth: 5-Year Financial Trend

CIEN 5-year financial data: Year 2021: Revenue $3.6B, Net Income $253.4M, EPS $1.61. Year 2022: Revenue $3.6B, Net Income $361.3M, EPS $2.32. Year 2023: Revenue $4.4B, Net Income $500.2M, EPS $3.19. Year 2024: Revenue $4.4B, Net Income $152.9M, EPS $1.00. Year 2025: Revenue $4.8B, Net Income $254.8M, EPS $1.71.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Ciena Corp.'s revenue has grown significantly by 32% over the 5-year period, indicating strong business expansion. The most recent EPS of $1.71 reflects profitable operations.

CIEN Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
12.4%
Free cash flow / Revenue

CIEN Quarterly Earnings & Performance

Quarterly financial performance data for Ciena Corp. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q2 2026 $1.1B $9.0M $0.06
Q1 2026 $1.1B $44.6M $0.31
Q3 2025 $942.3M $14.2M $0.10
Q2 2025 $910.8M $9.0M $0.06
Q1 2025 $1.0B $44.6M $0.31
Q3 2024 $942.3M $14.2M $0.10
Q2 2024 $910.8M -$16.8M $-0.12
Q1 2024 $1.0B $49.5M $0.34

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Ciena Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$487.3M
Cash generated from operations
Stock Buybacks
$164.9M
Shares repurchased (TTM)
Capital Expenditures
$114.9M
Investment in assets
Dividends
None
No dividend program

CIEN SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Ciena Corp. (CIK: 0000936395)

📋 Recent SEC Filings

Date Form Document Action
Jun 8, 2026 8-K d125730d8k.htm View →
Jun 4, 2026 10-Q cien-20260502.htm View →
Jun 4, 2026 8-K cien-20260604.htm View →
Jun 2, 2026 4 xslF345X06/edgardoc.xml View →
May 19, 2026 4 xslF345X06/edgardoc.xml View →

Frequently Asked Questions about CIEN

What is the AI rating for CIEN?

Ciena Corp. (CIEN) has a Combined AI Grade of A from Claude (A) and ChatGPT (A) with 78% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are CIEN's key strengths?

Claude: Strong organic growth: 18.8% revenue increase with superior net income growth of 46.9% YoY demonstrating operational leverage. Exceptional liquidity position: Current ratio of 2.73x and quick ratio of 2.11x with $1.0B cash reserves. ChatGPT: Revenue growth of 18.8% YoY with net income and diluted EPS growing about 47% indicates improving operating leverage and strong execution. Gross margin of 43.8%, operating margin of 13.3%, and free cash flow margin of 10.8% support good earnings quality and cash conversion.

What are the risks of investing in CIEN?

Claude: Disproportionate earnings growth: 46.9% net income growth vs 18.8% revenue growth raises sustainability concerns about margin expansion durability. Sector cyclicality: Telecom equipment industry dependent on customer capital expenditure cycles and potential demand volatility. ChatGPT: ROE of 5.4% and ROA of 2.6% suggest the business is not yet generating especially strong returns on its asset and equity base. Interest coverage of 4.0x and long-term debt of $1.52B leave less room if operating conditions weaken.

What is CIEN's revenue and growth?

Ciena Corp. reported revenue of $3.0B.

Does CIEN pay dividends?

Ciena Corp. does not currently pay dividends.

Where can I find CIEN SEC filings?

Official SEC filings for Ciena Corp. (CIK: 0000936395) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is CIEN's EPS?

Ciena Corp. has a diluted EPS of $2.52.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is CIEN's fundamental grade?

Based on our AI fundamental analysis in June 2026, Ciena Corp. has a A grade with 78% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is CIEN stock overvalued or undervalued?

Valuation metrics for CIEN: ROE of 12.7% (sector avg: 15%), net margin of 12.3% (sector avg: 14%). Compare these metrics with sector averages to assess valuation.

What is CIEN's AI grade for 2026?

Our dual AI analysis gives Ciena Corp. a combined A grade for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is CIEN's free cash flow?

Ciena Corp.'s operating cash flow is $487.3M, with capital expenditures of $114.9M. FCF margin is 12.4%.

How does CIEN compare to other Telecom stocks?

Vs Telecom sector averages: Net margin 12.3% (avg: 14%), ROE 12.7% (avg: 15%), current ratio 2.73 (avg: 1).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Jun 6, 2026 | Data as of: 2026-05-02 | Powered by Claude AI