CIENA CORP (CIEN) Stock Analysis

Price updated 2 days ago · SEC data refreshed 3 months ago ⓘ · Not investment advice

CIENA CORP

CIEN Technology Communications Equipment📄 SEC filings ↗ CUSIP 171779309
Valuation N/A
Long-term trend (200d) 13% above 200-day Risk 44/100 Elevated
▾ What's in the 44/100 risk score? (higher = riskier)
Fundamental health (43%) 40/100 → +17.1
leverage 40/100 · Altman Z not scored — input unavailable (see Financial Health)
Smart money (short interest + insider buying) (31%) 45/100 → +14.1
Macro backdrop (VIX, curve, credit, fear/greed + week-over-week momentum) (26%) 50/100 → +12.9
Total44/100

Contributions (weight × component score) sum to the total. This near-term score now includes fundamental health (leverage, FCF trend). It excludes the Altman Z score, whose retained-earnings input this filer does not report separately. See the Financial Health section for the full balance-sheet read.

💵 Price $319.64 · 2 days ago 📄 Financials SEC EDGAR · refreshed 3 months ago
📍 START HERE

How to read CIEN

We are not publishing an intrinsic value for this one — the section below says exactly why. Everything on this page that comes straight from the filings and the tape is still here; treat the missing valuation as a known gap, not as a verdict on the business.

Where to start — the sections that matter most for this stock
  1. 1 Reported earnings & margins ↓
    What the company actually reported — unaffected by the valuation being held.
  2. 2 Balance sheet & book value ↓
    Assets, liabilities and equity as filed.
  3. 3 Who's selling & betting against it ↓
    Insider and short-interest behaviour needs no valuation model.
Or — what are you trying to decide?
A note on process: fear-driven decisions — including fear of missing out — tend to be the expensive ones. A stock up 10% a day for three days is excitement, not evidence. Whichever reader you are, the data below is there to be checked before anything is decided.
🚀
"It's surging — should I chase it?"
The momentum / FOMO trade. Before you chase, see whether the people who know it best are quietly selling into the rally.
🏷️
"Is it a cheap bargain?"
The deep-value trade. How far below assets and our value it trades — and whether it's cheap for a reason.
ⓘ A share-count quirk blocked the per-share math

The share count we read for CIEN looks wrong — common for multi-class / founder-controlled filers that report shares per share-class. That makes per-share figures (including intrinsic value) misleading, so we suppressed them. The company's total financials below are sound.

What to use instead: Lean on the totals — revenue, net income, cash flow — and the balance sheet. Multi-class share counts are being corrected; once fixed, the per-share valuation returns automatically.

This note is only about the single DCF fair-value number — CIEN's full financial statements, health scores, and written analysis are all below.

ⓘ Why does CIEN trade at $319.64?

CIENA CORP has 145.2 million shares outstanding. At $319.64 per share, the market values all outstanding CIEN equity at $46.4 billion. That's market capitalization, not enterprise value — enterprise value also accounts for debt and cash — and it matters here because CIEN carries substantial debt. The share price by itself tells you almost nothing — a company can pick any share price by splitting or issuing more shares. What matters is the total value (Market Cap?Market Cap — The total dollar value the market is assigning to the entire company.
Why it matters: This is the number that actually matters when comparing companies. Two companies with the same business but different share counts have the same market cap.
Reference: Mega cap >$200B · Large $10–200B · Mid $2–10B · Small $300M–2B · Micro <$300M
Full explanation →) compared to what the business actually produces. This page values CIEN in Per Share?Per Share — A company-level figure divided by total shares — what one share represents.
Why it matters: Per-share metrics are the only way to fairly compare two companies with different share counts.
Full explanation → economics — what each share represents of the underlying business. Play with the share-price calculator on the homepage →

Loading insider & short-seller data…
Checking filings for failure warnings…
PEER BASKET — TIGHT COMPARABLES

How does CIEN stack up against its closest peers?

We take the 5 same-industry companies most similar to CIEN (similar size) and check what investors are paying for each dollar of their revenue (or profits). If CIEN is much more expensive on the same yardstick, that's a red flag — unless you have a specific reason it deserves a premium. For a leveraged business, EV/EBIT and FCF yield (both in the table) are usually more reliable than EV/Sales, because revenue multiples ignore differences in margins and debt.

▾ What's "EV / Sales" in plain English?

EV (Enterprise Value) = market cap + total debt − cash. It's "what you'd pay to buy the entire company outright" — you pay the market cap to shareholders and take over their debt, but you keep their cash. EV is fairer than market cap alone because it includes the debt the new owner inherits.

EV / Sales = EV ÷ annual revenue. So "2.5×" means investors pay $2.50 of enterprise value per $1 of yearly sales. Higher = market is paying more per dollar of sales (usually because they expect future growth or fat margins).

p25 / median / p75 are the 25th, 50th (middle), and 75th percentile of the peers' multiples. Half the peers fall between p25 and p75. The median (p50) is the typical peer — that's the benchmark we compare to.

What peers trade at (p25 / median / p75)

Bold middle number = median peer. Half the peers trade above it, half below. Computed over 5 same-industry peers; implausible multiples excluded.

Peer-implied value check
Not enough clean peer EV/Sales multiples to derive a reliable median (some were dropped as implausible/outliers). The EV/EBIT and FCF-yield rows above are the better read here; also lean on the DCF.

⚠️ Important caveat: peer multiples only work if the peers are genuinely comparable. Always check the peer list below — if the auto-picker grabbed micro-caps or unrelated businesses, the comparison is noise. A medical-device giant priced against tiny biotech startups won't produce a useful signal.

▾ View peer list (6)
Ticker Company Industry Mcap EV/Sales EV/GPEV/EBIT FCF Yield
UI Ubiquiti Inc. Communications Equipment $35.3B 13.8x 31.8x42.6x 1.8%
LITE Lumentum Holdings Inc. Communications Equipment $66.5B suspect 42.0x 150.2x— 0.1%
MSI Motorola Solutions, Inc. Communications Equipment $66.9B 6.5x 12.5x25.2x 3.3%
NOK NOKIA CORP Communications Equipment $87.7B — —— —
PL Planet Labs PBC Communications Equipment $15.7B 51.2x 91.3x— 0.0%
FN Fabrinet Communications Equipment ·fallback $23.4B 6.9x 56.7x72.2x 2.7%
FINANCIAL HEALTH SCREENS

Quality & solvency checks

Cheap stocks can be cheap for a reason. These screens warn when a low valuation comes paired with structural fragility.

Altman Z-Score?Altman Z-Score — A bankruptcy-risk score combining 5 financial ratios into one number. Predictive of bankruptcy within 2 years.
Why it matters: Cheap-looking stocks (low P/E or P/B) often have low Z-scores because the market knows the company is dying. Z-score warns you before you fall into a value trap.
Reference: > 3.0 = safe zone · 1.81–3.0 = grey zone · < 1.81 = distress zone
Full explanation →
n/a
Not reliably computable

We can't produce a trustworthy Altman Z here: retained earnings weren't separately reported in our data, so a core input would have to be fabricated. Rather than show a categorical "distress" verdict from an invented number, we mark it unavailable. Judge financial health from the leverage, cash position, and the measurable Piotroski checks instead.

Piotroski F-Score?Piotroski F-Score — A 9-point quality checklist scoring profitability, leverage, and operating efficiency.
Why it matters: High score = fundamentals improving. Low score = deteriorating. Especially powerful for filtering cheap stocks: cheap + high F-score historically outperforms; cheap + low F-score is often a value trap.
Reference: 7–9 = strong · 4–6 = mediocre · 0–3 = weak
Full explanation →
7 / 9
Strong
▾ The checks — what passed, what didn't (and what we couldn't measure)
  • ✓ Positive net income
    Net income $123.3M in FY2025.
  • ✓ Positive operating cash flow
    Operating cash flow $806.1M (was $514.5M the prior year).
  • ✓ Cash flow backs up reported profit
    Operating cash flow $806.1M vs net income $123.3M.
  • ✓ Return on assets improving
    Return on assets 2.1% vs 1.5% a year ago.
  • ✓ Debt load (vs assets)
    Long-term debt is 26.0% of assets vs 27.2% a year ago ($1,524.2M of $5,864.7M assets).
  • ✗ Short-term liquidity (current ratio)
    Current ratio 2.73x vs 3.54x a year ago.
    Why this matters: The current ratio compares assets it can turn to cash within a year against bills due within a year. Below 1.0 means it may struggle to cover near-term obligations.
  • ✓ Share count (dilution)
    Share count held roughly flat (146.0M → 145.2M year-over-year).
  • ✗ Pricing power (gross margin)
    Gross margin 42.0% vs 42.8% a year ago.
    Why this matters: Rising gross margin means stronger pricing power or lower input costs — a sign of competitive strength. Falling margin signals pressure.
  • ✓ Sales per asset (asset turnover)
    Asset turnover 0.81x vs 0.71x a year ago.

Missing data is never counted as a pass or a fail — it's shown as n/a and excluded from the denominator. Each check compares the company against its own prior year.

INTERACTIVE — TWEAK YOUR ASSUMPTIONS

What if you assume different inputs?

Here's where we land — and what happens if you change the assumptions. Drag the sliders to set your own Discount Rate?Discount Rate — The annual return you demand for taking single-stock risk instead of buying a safe Treasury or index fund.
Why it matters: Higher discount rate = stricter valuation (a stock has to produce more cash to be worth holding). Lower = more generous.
Reference: 8–12% is standard · 9–10% matches S&P 500 historical return · Below 7% is illogical for single-stock risk
Full explanation → (the annual return you demand for single-stock risk) and terminal growth; the value updates live so you can see whether the stock looks cheaper or richer. The discount rate starts at 10.0%, the figure our model used for CIEN. Open Advanced to also change beta, growth and the rate path.

Note: no headline intrinsic value is published for this stock (the valuation is held for a data-quality reason — see the notes above). The calculator below is a what-if tool: the values it produces are your assumptions played out, not our estimate.

4.5% (risk-free)9-10% normal18% (deep-risk)
0%2-3% (GDP)5% (rarely sustainable)

A full intrinsic value isn't shown for CIEN because the valuation is currently held for a data-quality reason (see the guardrail notes above). The reverse-DCF reading still works — it needs only the price and cash flow — but we won't publish a forward value until the underlying data passes our checks.

For comparison — the revenue growth today's price already assumes
—
—

—

⚙ Advanced — tinker with every input (beta, growth, rate path, margin → full intrinsic value)
Where the discount rate comes from — discount rate = risk-free + beta × equity-risk-premium
What you'd earn risk-free from government bonds — the floor under every other rate. Slide it down to model the market expecting rate cuts (value rises); up for higher-for-longer.
The extra yearly return investors demand for owning stocks instead of safe bonds — the price of risk. History runs ~4.5–6.5%; we default to 5.5% (slightly conservative). It's an estimate, not a law — lower it if you think equities are less risky than that.
Inflation reduces the purchasing power of a nominal return: a 9% gain at 3% inflation is about 6% in real terms. The intrinsic value above is already in today's dollars (a nominal DCF carries inflation in both the growth and the discount rate), so this switch does not change the value — it restates the return in real terms.
Higher beta → higher discount rate (sets the rate above). 1.0 = moves with the market.
What you think CIEN can grow revenue for ~5 years, then fades to terminal.
For a pre-profit company: the % of revenue that eventually becomes free cash flow once mature. (Our published value uses the sector norm.)
All inputs start at the values our model used.

    Copy shareable link to this scenario →

    Price$319.64
    Model IVNot applicable — DCF couldn't price this stock. The other valuation lenses on this page (reverse-DCF, peers, sector lens — whichever apply to this filer) carry the read instead.

    A standard discounted cash flow?DCF — Discounted Cash Flow — sums up all future cash a business will produce, adjusted for the fact that future dollars are worth less than dollars today.
    Why it matters: It is the most fundamentally honest valuation method when applicable — but only works for companies with predictable, positive cash flow.
    Reference: Best for: mature, profitable businesses. Fails for: pre-profit growth, banks, REITs.
    Full explanation →     (DCF) valuation is not meaningful for Ciena, as indicated by the 'Extreme valuation' flag and the price being 12x the model's intrinsic value?Intrinsic Value — Our DCF model's estimate of what each share is mathematically worth based on projected cash flows.
    Why it matters: Compare to current price. Below IV = potentially undervalued. Above IV = priced for growth that must actually happen.
    Reference: Model-derived; quality depends on data and assumptions.
    Full explanation →    . This suggests the market is pricing in significant optionality or future growth beyond what trailing cash flows support. Investors are likely betting on continued revenue growth and potential margin expansion. The #1 quantifiable risk is the compressing gross margin, which could hinder future profitability despite revenue growth.

    ⚠️ Revenue/margin projection model used - trailing FCF may understate growth runway at current scale.

    As of 3 months ago

    ANATOMY

    Anatomy of a share

    What you're buying per share. Bars are at the same scale so you can see the relative size of revenue, costs, cash flow, and debt — not just read them in a table.

    CIEN CIENA CORP stock anatomy showing per-share revenue, operating expenses, free cash flow, and debt
    2.6%
    profit
    Where each $1 of revenue goes
    Net profit — 2.6¢ of every dollar ($0.85/sh — latest fiscal-year net income per share)
    Costs & taxes — 97.4¢ (on $32.84 revenue/sh)
    Net margin = net income ÷ revenue (most recent fiscal year).
    Plain English: each share (at $320) represents $32.84 of revenue per share per year, $0.85 of net income per current share, and $3.31 of free cash flow per share from the latest fiscal year. Each share carries $10.49 of total debt (interest-bearing borrowings, current + long-term).
    What's free cash flow / what do these mean?

    Revenue per share — how much the business earns from customers, divided by the number of shares outstanding. Top of the income statement.

    Earnings per share — profit left after operating costs, interest, and taxes, per share. Two versions appear on this page and are not interchangeable: GAAP diluted EPS uses the company's weighted-average diluted share count during the reporting period (this is the "earnings" in "price-to-earnings"); net income per current share divides annual net income by today's share count. They differ whenever the share count has changed.

    Owner-earnings free cash flow per share — the cash the business produces for shareholders. Savng's owner-earnings FCF subtracts capital expenditures and stock-based compensation from operating cash flow (SBC is a real dilution cost even though it's non-cash). This is deliberately more conservative than "standard" FCF, which subtracts only capital expenditures — so our figure is lower than the headline FCF you'll see elsewhere. FCF funds dividends, buybacks, debt repayment, and acquisitions; a company can report positive earnings yet negative FCF.

    Debt per share — total interest-bearing borrowings divided by shares. High debt-per-share next to thin FCF-per-share is a fragility signal.

    THE KEY DEBATE

    What you actually need to decide

    Every stock price is a disagreement. Here's the single thing that must go right for the bulls, the single thing that breaks the thesis, and the concrete signposts to watch so you can update your view as real results arrive.

    🐂 The Bull Case
    For the stock to work, Ciena must demonstrate a re-acceleration of gross margin from the current 42% to improve profitability, leveraging its revenue growth.
    🐻 The Bear Case
    The biggest fundamental risk is the continued compression of gross margin (47.6% → 42%), which implies that even with revenue growth, profitability could be constrained.
    📌 Signposts to watch — update your view as these print
    • Gross margin trend in upcoming quarters
    • Growth rate of Blue Planet software revenue
    • New contract wins with major service providers
    MOMENTUM — WHAT'S GETTING BETTER & WORSE

    The trend, in plain numbers (FY2024 → FY2025, latest reported)

    Straight from the financial statements — no model, no opinion. For a small or unprofitable company, the direction of these numbers usually tells you more than any single valuation.

    ✅ Improving
    • Revenue grew +19% to $4.77B.
    • Free cash flow rose to $480.8M.
    • Net income grew +47% to $123.3M.
    ⚠ Worsening
    • Gross margin shrank to 42% (-1 pts).
    WHO

    Management & Leadership

    Gary Smith has served as Ciena's President and CEO since 2001, leading the company's strategic direction and operational execution in networking technology. He has been instrumental in guiding Ciena through various industry cycles and technological shifts.

    Gary Smith
    President and Chief Executive Officer
    James F. Moylan
    Chief Financial Officer
    Scott McFeely
    Senior Vice President, Global Products and Services
    WHAT

    What They Make

    Ciena Corporation provides networking systems, services, and software to telecommunications service providers, cable operators, and large enterprises globally. They specialize in optical and packet networking solutions for high-capacity data transmission.

    End Markets

    Telecommunications Service ProvidersCable OperatorsLarge Enterprises

    Revenue Drivers

    Converged Packet Optical
    Blue Planet Software
    Global Services
    Market Cap: 46.4BBeta: 2.07
    WHY

    Why Is It Priced Like This?

    Why Customers Pay

    Enables high-speed, high-capacity data transmission
    Provides network automation and orchestration software
    Offers comprehensive network deployment and support services
    No discounted-cash-flow value for this filer We aren't publishing a discounted-cash-flow value here: the model's output failed our plausibility checks, so showing it would imply more precision than we have.

    What we use instead: earnings (P/E, EV/EBIT), book value (P/B) — computed from the figures this company does report, shown in the sections below. Those numbers are unaffected by the missing cash-flow data.

    The market is likely pricing Ciena based on expectations for continued revenue growth (7.1%/yr over 4 years) and potential future margin expansion, despite current gross margin compression. The 'Price is 12x model IV' flag suggests investors may be assigning value to the company's role in critical network infrastructure upgrades, which is not fully captured by a backward-looking cash flow model.

    HOW

    Business Model & Valuation

    How They Make Money

    Sales of optical and packet networking hardware
    Software licenses and subscriptions for network management and automation
    Professional services including network design, deployment, and maintenance

    Ciena funds its operations and growth through positive operating cash flow (positive 4/5 yrs) and has seen its long-term debt rising from $677M to $1524M.

    Growth / Revenue DCF Moderate franchise

    Extreme market premium (P/FCF 171x): market is pricing future growth far beyond current FCF. Using revenue/margin model.

    Show advanced inputs
    Revenue Growth7.1%

    What this model does NOT do: this is a consolidated owner-earnings FCF model. Standalone segment assumptions: none. It does not project product, services and recurring/cloud lines independently; their combined effect is embedded in the historical revenue and cash-flow trend the model extrapolates. The calculator above can only approximate a segment's impact through the single consolidated growth rate — it cannot model any one line separately. For a true segment-level view, build a separate model from the company's segment disclosures.

    WHEN

    Maturity & Competitive Position

    Growth / re-investment phase

    Moat Signals

    Proprietary optical networking technology
    Established relationships with major global carriers
    Integrated hardware and software solutions

    Revenue has been growing at 7.1% per year over the last four years, from $3621M to $4770M, and net income has been positive for 5 out of 5 years.

    WHERE

    Geography & Markets

    Ciena is headquartered in the US and operates globally, providing networking solutions to customers across various international markets. Specific geographic revenue percentages are not available from current data sources.

    Geographic Risks

    Reliance on capital expenditure cycles of telecommunications service providers
    Intense competition in the communications equipment industry
    SIGNALS

    Market Signals

    These are timing signals, not value signals — they describe the stock's recent price behavior, not what the business is worth. Use them for the "the thesis looks good, but is now the moment?" question. Each tile below explains what it's saying.

    Model neutral, tape bullish
    RSI?RSI — Relative Strength Index — a 0-100 momentum gauge. Above 70 = overbought; below 30 = oversold.
    Why it matters: Short-term contrarian indicator. Extreme readings often precede mean reversion, though not always.
    Reference: 30–70 normal · >70 overbought · <30 oversold
    Full explanation →     (14)    57.8NeutralMomentum is balanced — neither overbought nor oversold.
    MACD?MACD — Moving Average Convergence Divergence — compares a fast and a slow price trend to gauge momentum direction.
    Why it matters: When the fast line crosses above the slow line, short-term momentum is turning up; below, turning down. A timing cue, not a value signal.
    Reference: Line above signal = bullish momentum · below = bearish
    Full explanation →    BearishLine below signalThe fast trend is below the slow trend — short-term momentum is currently downward.
    50-Day Average$501.64Price below (-36.3%)Price below its 50-day average = near-term downtrend.
    200-Day Average$282.29Price aboveThe 200-day line is the long-term trend divider — above it is generally considered a bull market for the stock.
    50 vs 200 CrossGolden50-day above 200-dayA "golden cross" — the medium trend has overtaken the long trend (often read as bullish).

    Technicals describe price, not the business. A great company can have a "bearish" tape (a buying chance) and a weak one a "bullish" tape (a trap). Pair these with the valuation and health sections above.

    QUALITY

    Data Quality & Risk Flags (4 notes — click to expand/collapse)
    Guardrail Notes (4)
    • Revenue/margin projection model used - trailing FCF may understate growth runway at current scale.
    • Price is far above the model output - market may be pricing optionality, narrative catalysts, or margin expansion beyond what trailing cash flows support.
    • Extreme valuation (P/IV withheld — see the note above); output dominated by data/units issue (often a multi-class share-count mismatch). Suppressed.
    • DATA UNAVAILABLE: per-share values suppressed due to missing/unreliable shares data.
    FINANCIALS

    Financial Statements (5-year tables — click to expand)

    From CIENA CORP's SEC filings (EDGAR).

    Income (5yr)

    YearRevenueNet IncomeEPS
    20254.8B123.3M$0.85
    20244.0B84.0M$0.58
    20234.4B254.8M$1.71
    20223.6B152.9M$1.00
    20213.6B500.2M$3.19

    Cash Flow (5yr)

    YearOperating CFCapEx− SBC & adj.Free Cash Flow
    2025 806.1M 140.8M 184.5M 480.8M
    2024 514.5M 136.6M 156.4M 221.5M
    2023 168.3M 106.2M 130.5M -68.3M
    2022 -167.8M 90.8M 105.1M -363.7M
    2021 541.6M 79.6M 84.3M 377.8M

    How we define FCF: operating cash flow − capital expenditure − stock-based compensation (owner-earnings basis — SBC is a real cost to shareholders even though it's non-cash). Latest year: 806.1M − 140.8M − 184.5M (SBC & adj.) = 480.8M. This is the same owner-earnings FCF definition the valuation model uses, though the DCF's starting value is a projected from revenue × terminal margin, not this single year.

    Balance Sheet

    Total Assets5.9B
    Total Liabilities3.1B
    Equity2.7B
    Total Debt1.5B
    YOU MIGHT ALSO LIKE

    Similar companies worth a look

    Same sector and industry, similar fundamentals shape. Verify everything yourself — this list is computed mechanically and does not reflect our judgment about whether any of these are a good investment.

    PG
    Methodology by Pouyan Golshani, MD — founder of Gighz. Savng was built by a physician for busy professionals: every number on this page comes from SEC filings (EDGAR) and FINRA data through transparent, rules-based models — no analyst opinions, no hidden inputs. How we calculate every number →
    ⚠️ Not investment advice. Automated model outputs, last refreshed May 30, 2026 (the analysis-refresh date, not the latest filing period). All models have blind spots. Full disclaimer →
    ← Browse Stocks See sector peers →
    🔔 Follow $CIEN — free insider alerts
    One email when an insider buys $CIEN on the open market with their own cash — or notably sells outside a scheduled plan. Routine and automated trades filtered out. Follow up to 3 stocks free; Portfolio Watch covers your whole list plus valuation & risk alerts. Double opt-in, unsubscribe anytime.