CIEN

BEARISH

$520.8 Live

Ciena Corporation · NYSE

Target $378.11 (-27.4%)

$64.71 52W Range $527.86

CIEN Ciena Corporation - Fundamental Analysis

BEARISH

Console Chart News

CIEN Stock | Fundamental Analysis & Investment Insights

NYSE • Technology • Communication Equipment

Current Price Live

$520.8

Analyst Target

$378.11

-27.4% Downside

52W High

$527.86

52W Low

$64.71

Overview AI Snowflake Price Valuation Profitability Growth Health Statements Peers Insiders SEC Filings

At a glance

Key valuation, profitability, growth, and risk metrics.

Updated Apr 25, 2026

Market cap

$73.64B

P/E

333.85

ROE

8.2%

Profit margin

4.5%

Debt/Equity

0.57

Dividend yield

N/A

AI Analysis

AI-powered fundamental assessment

Confidence

95%

Ciena Corporation exhibits a stable financial health profile with a Piotroski F-Score of 4/9, but is currently experiencing a severe valuation decoupling. The current price of $520.80 is astronomically higher than both the Graham Number ($26.32) and the growth-based Intrinsic Value ($46.02). While the company shows explosive earnings growth and strong liquidity, the P/E ratio of 333.85 and a bearish technical trend (10/100) suggest the stock is in a speculative bubble. Furthermore, the current price sits significantly above the analyst target mean of $378.11, indicating substantial downside risk.

Key Strengths

Explosive YoY earnings growth of 232.30%

Strong liquidity position with a Current Ratio of 2.81

Robust revenue growth of 33.10% YoY

Consistent track record of beating earnings estimates (3/4 last quarters)

Manageable leverage with a Debt/Equity ratio of 0.57

Key Risks

Extreme overvaluation with a P/E ratio of 333.85

Massive discrepancy between market price ($520.80) and intrinsic value ($46.02)

Bearish insider sentiment with 12 sell transactions and 0 buys

Technical trend is heavily bearish (10/100)

Current price is ~38% above the average analyst target price of $378.11

AI Fair Value Estimate

Based on comprehensive analysis

$46.02

-91.2% below current price

Performance Snowflake

Multi-dimensional analysis across 5 key categories

Overall

Moderate

Value

Future

Past

Health

Dividend

AI Verdict

Speculative Bubble

Key drivers: Extreme P/E expansion, Price-to-Intrinsic Value gap, Insider liquidation, Strong fundamental growth

Confidence

90%

Value

5/100

The stock is trading at a massive premium that is not supported by traditional valuation metrics.

Positives

No standout positives identified.

Watchpoints

P/E 333.85
Price/Book 26.38
Price far exceeds Graham Number of $26.32

Future

85/100

Growth metrics are exceptional, but the market has already priced in several years of perfect execution.

Positives

33% Revenue growth
232% Earnings growth
Strong Q/Q momentum

Watchpoints

High expectations priced in

Past

90/100

Historical price performance has been parabolic.

Positives

710% 1Y return
Consistent earnings surprises
Strong 5Y growth trajectory

Watchpoints

No urgent risks highlighted.

Health

60/100

Balance sheet is healthy and liquid, though operational efficiency is only moderate.

Positives

Current Ratio 2.81
Debt/Equity 0.57

Watchpoints

Piotroski F-Score 4/9 (Stable but not strong)

Dividend

0/100

Company reinvests all capital; no income component for investors.

Positives

No standout positives identified.

Watchpoints

No dividend paid
0/100 dividend strength

Stock Price & Analyst Targets

Real-time price movements and analyst price targets

Current Price

$520.8

Analyst Target

$378.11

Upside/Downside

-27.4%

Multi-Horizon Performance vs Peers

Price momentum across 5Y → 1W horizons for CIEN and closest competitors.

Updated 2026-04-24

Company	5Y	3Y	1Y	6M	1M	1W
CIEN Ciena Corporation Primary	+858.9%	+1049.4%	+710.1%	+190.9%	+19.0%	+2.6%
SNPS Synopsys, Inc. Peer	+75.3%	+16.6%	-28.9%	-24.2%	-10.6%	-0.9%
NET Cloudflare, Inc. Peer	+187.4%	+234.6%	+83.1%	-3.8%	+14.0%	-3.2%
MRVL Marvell Technology, Inc. Peer	+103.8%	+95.7%	-4.4%	+35.8%	-2.7%	-4.9%
GLW Corning Incorporated Peer	+154.6%	+161.6%	+78.8%	+72.4%	-4.9%	-3.7%

CIE

Ciena Corporation

Primary

+858.9%

+1049.4%

+710.1%

+190.9%

+19.0%

+2.6%

SNP

Synopsys, Inc.

Peer

+75.3%

+16.6%

-28.9%

-24.2%

-10.6%

-0.9%

NET

Cloudflare, Inc.

Peer

+187.4%

+234.6%

+83.1%

-3.8%

+14.0%

-3.2%

MRV

Marvell Technology, Inc.

Peer

+103.8%

+95.7%

-4.4%

+35.8%

-2.7%

-4.9%

GLW

Corning Incorporated

Peer

+154.6%

+161.6%

+78.8%

+72.4%

-4.9%

-3.7%

Positive values indicate cumulative gains over the specified period. Comparables pulled from the same sector to highlight whether momentum is stock-specific or industry-wide.

Historical Performance Trends

Long-term financial metrics and growth patterns

Revenue & Net Income

Profit & Operating Margins

Return on Equity (ROE)

Quarterly Revenue Growth

Historical data shows last 12 quarters (3 years)

Valuation Metrics

Key valuation ratios and pricing indicators

333.85

61.63

2.08

26.38

14.37

14.43

129.59

$73.64B

Profitability

Profit margins and return metrics

Profit Margin 4.47%

Operating Margin 13.4%

Gross Margin 42.12%

ROE 8.2%

ROA 4.58%

Growth

Revenue and earnings growth rates

Revenue Growth +33.1%

Earnings Growth +232.3%

Q/Q Revenue Growth +33.09%

Q/Q Earnings Growth +237.2%

Financial Health

Balance sheet strength and liquidity metrics

Debt/Equity

0.57

Moderate

Current Ratio

2.81

Strong

Quick Ratio

1.92

Excellent

Cash/Share

$9.19

Financial Statement Flow

Interactive flow visualization showing how money moves through the company Q1 2026

Revenue

$1.4B

Gross Margin

43.8%

Op. Margin

13.4%

Net Margin

10.5%

Total Assets

$5.9B

Liabilities

$3.1B

Equity

$2.8B

Debt/Equity

1.11x

Operating CF

$0.2B

CapEx

$-0.1B

Free Cash Flow

$0.2B

FCF Yield

68%

Quarterly Earnings History

EPS performance vs analyst estimates

2026-06-04

$N/A

2026-03-05

$1.35

+15.6% surprise

2025-12-11

$0.91

+18.2% surprise

2025-09-04

$0.67

+27.6% surprise

Technology Sector Comparison

Comparing CIEN against 528 companies in the Technology sector (46 bullish, 175 neutral, 307 bearish)

P/E Ratio

333.85

This Stock

85.73

Sector Avg

+289.4% (Expensive)

Return on Equity (ROE)

8.2%

This Stock

-36.43%

Sector Avg

-122.5% (Below Avg)

Profit Margin

4.47%

This Stock

-12.81%

Sector Avg

-134.9% (Weaker)

Debt to Equity

0.57

This Stock

0.71

Sector Avg

-19.3% (Lower)

Revenue Growth

33.1%

This Stock

4697.82%

Sector Avg

-99.3% (Slower)

Current Ratio

2.81

This Stock

3.69

Sector Avg

-23.7% (Weaker)

Similar Companies

Peer comparison within the same industry

Company	AI Rating	Market Cap	P/E	ROE	Profit Margin	Price
CIEN Ciena Corporation	BEARISH	$73.64B	333.85	8.2%	4.5%	$520.8
SNPS Synopsys, Inc.	NEUTRAL	$73.17B	52.61	6.5%	31.0%	$389.83	Compare
NET Cloudflare, Inc.	BEARISH	$72.63B	-	-8.2%	-4.7%	$206.34	Compare
MRVL Marvell Technology, Inc.	NEUTRAL	$75.45B	-	-0.7%	-1.4%	$86.45	Compare
GLW Corning Incorporated	NEUTRAL	$70.61B	52.6	12.7%	9.2%	$82.06	Compare

CIEN Ciena Corporation

BEARISH

Mkt Cap

$73.6B

P/E

333.8

ROE

8.2%

Price

$520.8

Compare with CIEN

Compare with CIEN

Compare with CIEN

GLW Corning Incorporated

Compare with CIEN

Recent Insider Trading

Insider buy and sell transactions from the last 6 months

Date	Insider	Position	Transaction	Shares	Value
2026-04-15	GAGE BRODIE	Officer	Sale	1,200	$566,148
2026-04-15	DIPERNA DINO	Officer	Sale	2,829	$1,334,694
2026-04-15	ROTHENSTEIN DAVID M.	Officer	Sale	2,500	$1,169,134
2026-04-15	SMITH GARY BRIAN	Chief Executive Officer	Sale	2,952	$1,379,976
2026-04-01	KOSARAJU SHEELA	General Counsel	Sale	2,012	$808,241
2026-04-01	PHIPPS JASON	Officer	Sale	22,014	$9,021,272
2026-04-01	SMITH GARY BRIAN	Chief Executive Officer	Sale	2,952	$1,226,590
2026-03-27	CUMELLO JOSEPH RONALD	Officer	Sale	1,773	$700,016
2026-03-26	KUMAR DEVINDER	Director	Stock Award	605	-
2026-03-26	CLAFLIN BRUCE L	Director	Stock Award	605	-
2026-03-26	OLSEN JOANNE BETH	Director	Stock Award	605	-
2026-03-26	AHMED HASSAN M	Director	Stock Award	605	-
2026-03-26	PUMA MARY G	Director	Stock Award	605	-
2026-03-26	FITT LAWTON WEHLE	Director	Stock Award	862	-
2026-03-26	GALLAGHER PATRICK T.	Director	Stock Award	605	-

GAGE BRODIE

Officer

Sell

2026-04-15

1,200 shares · $566,148

DIPERNA DINO

Officer

Sell

2026-04-15

2,829 shares · $1,334,694

ROTHENSTEIN DAVID M.

Officer

Sell

2026-04-15

2,500 shares · $1,169,134

SMITH GARY BRIAN

Chief Executive Officer

Sell

2026-04-15

2,952 shares · $1,379,976

KOSARAJU SHEELA

General Counsel

Sell

2026-04-01

2,012 shares · $808,241

PHIPPS JASON

Officer

Sell

2026-04-01

22,014 shares · $9,021,272

SMITH GARY BRIAN

Chief Executive Officer

Sell

2026-04-01

2,952 shares · $1,226,590

CUMELLO JOSEPH RONALD

Officer

Sell

2026-03-27

1,773 shares · $700,016

KUMAR DEVINDER

Director

Stock Award

2026-03-26

605 shares

CLAFLIN BRUCE L

Director

Stock Award

2026-03-26

605 shares

OLSEN JOANNE BETH

Director

Stock Award

2026-03-26

605 shares

AHMED HASSAN M

Director

Stock Award

2026-03-26

605 shares

PUMA MARY G

Director

Stock Award

2026-03-26

605 shares

FITT LAWTON WEHLE

Director

Stock Award

2026-03-26

862 shares

GALLAGHER PATRICK T.

Director

Stock Award

2026-03-26

605 shares

Insider transactions can signal confidence or concerns about company prospects

SEC Filings

Recent regulatory filings from the SEC EDGAR database

8-K

2026-03-31

Ciena Corporation filed an 8-K on March 31, 2026, likely to announce its quarterly financial results or a material corporate development.

10-Q

2026-03-05

Ciena Corporation submitted its 10-Q filing on March 5, 2026. The report includes a dedicated section for risk factors under Item 1A, although specific financial highlights and risk details were not provided in the available excerpts.

8-K

2026-03-05

Ciena Corporation filed an 8-K on March 5, 2026, likely to announce its quarterly financial results.

DEF 14A

2026-02-12

Ciena Corporation (CIEN) filed a definitive proxy statement on February 12, 2026, providing shareholders with necessary information and voting materials for its upcoming annual meeting.

10-K

2025-12-12

Ciena Corporation filed its 10-K on December 12, 2025, providing a comprehensive overview of its business operations and financial condition. The filing includes detailed disclosures regarding management's analysis of financial results and a dedicated section outlining the company's primary risk factors.

8-K

2025-12-11

Ciena Corporation likely reported its quarterly financial results in this 8-K filing.

8-K

2025-12-04

Ciena Corporation filed an 8-K on December 4, 2025, likely to announce its quarterly financial results.

8-K

2025-10-07

Ciena Corporation likely announced its third-quarter financial results.

8-K

2025-09-22

Ciena Corporation filed a current report likely announcing its first-quarter financial results, consistent with the company's typical reporting cycle in late September.

10-Q

2025-09-04

Ciena Corporation filed its 10-Q report on September 4, 2025. The filing includes a section on risk factors under Item 1A, although specific financial highlights and detailed risk descriptions were not provided in the available excerpts.

8-K

2025-09-04

8-K

2025-06-18

8-K

2025-06-05

10-Q

2025-06-05

8-K

2025-04-01

Data sourced from SEC EDGAR. AI summaries generated automatically.

Wall Street Analysts

Professional analyst ratings and price targets

Consensus

BUY

18 analysts

Morgan Stanley

2026-04-20

Maintains

Equal-Weight Equal-Weight

JP Morgan

2026-04-16

Maintains

Overweight Overweight

B of A Securities

2026-04-16

Maintains

Buy Buy

Stifel

2026-03-23

Maintains

Buy Buy

TD Cowen

2026-03-12

init

Buy

UBS

2026-03-06

Maintains

Neutral Neutral

Rosenblatt

2026-03-06

Maintains

Buy Buy

B. Riley Securities

2026-03-06

Maintains

Neutral Neutral

Citigroup

2026-03-06

Maintains

Buy Buy

Morgan Stanley

2026-03-06

Maintains

Equal-Weight Equal-Weight

Past News Coverage

Recent headlines mentioning CIEN from our newsroom.

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CIEN

CIEN Ciena Corporation - Fundamental Analysis

At a glance

AI Analysis

Key Strengths

Key Risks

Performance Snowflake

Stock Price & Analyst Targets

Multi-Horizon Performance vs Peers

Historical Performance Trends

Revenue & Net Income

Profit & Operating Margins

Return on Equity (ROE)

Quarterly Revenue Growth

Valuation Metrics

Profitability

Growth

Financial Health

Financial Statement Flow

Quarterly Earnings History

Technology Sector Comparison

Similar Companies

Recent Insider Trading

SEC Filings

Wall Street Analysts

Past News Coverage

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