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Ciena Corporation (CIEN) Stock Analysis

DATA_ISSUEModerate Confidence

Technology · Communication Equipment

DATA_ISSUE. No current price available — cannot compute entry, target, or stop. Upstream data source (Alpaca/yfinance) did not return a price for this run.

Ciena provides networking hardware, software, and services including optical networking and Blue Planet automation to cloud providers, telecom carriers, and other network operators globally. In fiscal 2025, its five largest customers contributed approximately 50% of revenue,... Read more

$495.310.0% A.UpsideScore 5.5/10#6 of 21 Communication Equipment
00A.R:R 0.0:1
Analyst target$378.11-23.7%18 analysts
$0.00our TP
$495.31price
$378.11mean
$0

DATA_ISSUE. No current price available — cannot compute entry, target, or stop. Upstream data source (Alpaca/yfinance) did not return a price for this run. Score 5.5/10, moderate confidence.

Passes 6/8 gates (positive momentum, clean insider activity, no SEC red flags, news events none recent, earnings proximity 35d clear, semi cycle peak clear). Suitability: moderate.

Thesis

Rewards
No bull case signals
Risks
Concentration risk — Customer: top-5 customers (50.0%)
Price unavailable this run — no trade setup

Key Metrics

P/E (TTM)302.8
P/E (Fwd)56.3
Mkt Cap$67.2B
EV/EBITDA118.3
Profit Mgn4.5%
ROE8.2%
Rev Growth33.1%
Beta1.02
DividendNone
Rating analysts25

Quality Signals

Piotroski F9/9

Options Flow

P/C1.28bearish
IV92%elevated
Max Pain$220-55.6% vs spot

Concentration Risks(10-K Item 1A)

  • HIGHCustomertop-5 customers50%
    10-K Item 1A: 'our five largest customers contributed approximately 50% of our revenue, a cloud provider customer accounted for approximately 18% of our revenue'
  • LOWCustomersingle cloud provider18%
    10-K Item 1A: 'a cloud provider customer accounted for approximately 18% of our revenue, and a service provider accounted for approximately 11% of our revenue'

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. Full disclaimer

Rating Breakdown

2 floor-breakers·1 ceiling hit

Priced at a premium — multiples above sector norms. Needs delivery on growth + margins to justify.static

Ps
1.3
Forward Pe
2.0
Peg Ratio
4.5
Forward P/E: 56.3xPEG: 1.98Expensive valuation

Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static

Value Rank
1.1
Quality Rank
5.0
Growth Rank
6.7
GatesMomentum 5.0<5.5 (soft — BUY_NOW allowed but watch)A.R:R UPSIDE_EXHAUSTED (upside=0.0%)Momentum 5.0>=4.5Insider activity: OKNo SEC red flagsNEWS EVENTS NONE RECENTEARNINGS PROXIMITY 35d clearSEMI CYCLE PEAK CLEARSuitability: Moderate

Price Targets

0
A.R:R0.0:1

Position Sizing

ConvictionNone
Suggested %0.5%
Max %1%
RegimeSteady

Risk Alerts

! DATA_ISSUE — no price (Alpaca/yfinance returned null)

Earnings

B
B
B
M
3/4 beats
Next Earnings2026-06-04 (35d)

Verdict History

reverse chrono — latest first
Loading history...
Verdicts are recorded on every nightly pipeline run. Rows capture transitions (verdict flips, score deltas ≥0.3, entry/TP/SL changes). Rows with a ▶ can be expanded to see the change reason. Aggregate cohort performance is tracked in the recommendation ledger.
Frequently Asked Questions
Is CIEN stock a buy right now?

DATA_ISSUE. No current price available — cannot compute entry, target, or stop. Upstream data source (Alpaca/yfinance) did not return a price for this run. Target $0.00 (-100.0%), stop $0.00 (−0.0%), A.R:R 0.0:1. Score 5.5/10, moderate confidence.

0
What are the risks of investing in CIEN?

Concentration risk — Customer: top-5 customers (50.0%); Price unavailable this run — no trade setup.

Is CIEN overvalued or undervalued?

Ciena Corporation trades at a P/E of 302.8 (forward 56.3). TrendMatrix value score: 2.5/10. Verdict: DATA_ISSUE.

What do analysts say about CIEN?

25 analysts cover CIEN with a consensus score of 4.0/5. Average price target: $378.

What does Ciena Corporation do?Ciena provides networking hardware, software, and services including optical networking and Blue Planet automation to...

Ciena provides networking hardware, software, and services including optical networking and Blue Planet automation to cloud providers, telecom carriers, and other network operators globally. In fiscal 2025, its five largest customers contributed approximately 50% of revenue, with a single cloud provider at approximately 18%.

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